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12494580 = 2235771419
BaseRepresentation
bin101111101010…
…011011110100
3212111210100020
4233222123310
511144311310
61123445140
7211126230
oct57523364
925453306
1012494580
1170643aa
1242267b0
132786157
1419335c0
15116c170
hexbea6f4

12494580 has 96 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 2808960.

The previous prime is 12494539. The next prime is 12494597. The reversal of 12494580 is 8549421.

It is a super-2 number, since 2×124945802 = 312229058752800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29611 + ... + 30029.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 212494580 is an apocalyptic number.

12494580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12494580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).

12494580 is an abundant number, since it is smaller than the sum of its proper divisors (28147980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12494580 is a wasteful number, since it uses less digits than its factorization.

12494580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12494580 is about 3534.7673190749. The cubic root of 12494580 is about 232.0458936161.

The spelling of 12494580 in words is "twelve million, four hundred ninety-four thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 71 84 105 140 142 210 213 284 355 419 420 426 497 710 838 852 994 1065 1257 1420 1491 1676 1988 2095 2130 2485 2514 2933 2982 4190 4260 4970 5028 5866 5964 6285 7455 8380 8799 9940 11732 12570 14665 14910 17598 25140 29330 29749 29820 35196 43995 58660 59498 87990 89247 118996 148745 175980 178494 208243 297490 356988 416486 446235 594980 624729 832972 892470 1041215 1249458 1784940 2082430 2498916 3123645 4164860 6247290 12494580