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12924940 = 22571943113
BaseRepresentation
bin110001010011…
…100000001100
3220022122200111
4301103200030
511302044230
61141005404
7214601020
oct61234014
926278614
1012924940
117328776
1243b3864
1328a6cc2
141a06380
15120492a
hexc5380c

12924940 has 96 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 4064256.

The previous prime is 12924931. The next prime is 12924971. The reversal of 12924940 is 4942921.

It is a happy 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, 114324 + ... + 114436.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 212924940 is an apocalyptic number.

12924940 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 12924940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16853760).

12924940 is an abundant number, since it is smaller than the sum of its proper divisors (20782580).

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

12924940 is a wasteful number, since it uses less digits than its factorization.

12924940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12924940 is about 3595.1272578311. The cubic root of 12924940 is about 234.6800535077.

The spelling of 12924940 in words is "twelve million, nine hundred twenty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 43 70 76 86 95 113 133 140 172 190 215 226 266 301 380 430 452 532 565 602 665 791 817 860 1130 1204 1330 1505 1582 1634 2147 2260 2660 3010 3164 3268 3955 4085 4294 4859 5719 6020 7910 8170 8588 9718 10735 11438 15029 15820 16340 19436 21470 22876 24295 28595 30058 34013 42940 48590 57190 60116 68026 75145 92321 97180 114380 136052 150290 170065 184642 300580 340130 369284 461605 646247 680260 923210 1292494 1846420 2584988 3231235 6462470 12924940