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12926480 = 245741563
BaseRepresentation
bin110001010011…
…111000010000
3220022201210112
4301103320100
511302121410
61141020452
7214605350
oct61237020
926281715
1012926480
117329946
1243b4728
1328a7908
141a06b60
151205105
hexc53e10

12926480 has 80 divisors (see below), whose sum is σ = 35247744. Its totient is φ = 4316160.

The previous prime is 12926471. The next prime is 12926509. The reversal of 12926480 is 8462921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22679 + ... + 23241.

Almost surely, 212926480 is an apocalyptic number.

12926480 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 12926480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17623872).

12926480 is an abundant number, since it is smaller than the sum of its proper divisors (22321264).

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

12926480 is a wasteful number, since it uses less digits than its factorization.

12926480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 12926480 is about 3595.3414302400. The cubic root of 12926480 is about 234.6893738071.

The spelling of 12926480 in words is "twelve million, nine hundred twenty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 41 56 70 80 82 112 140 164 205 280 287 328 410 560 563 574 656 820 1126 1148 1435 1640 2252 2296 2815 2870 3280 3941 4504 4592 5630 5740 7882 9008 11260 11480 15764 19705 22520 22960 23083 31528 39410 45040 46166 63056 78820 92332 115415 157640 161581 184664 230830 315280 323162 369328 461660 646324 807905 923320 1292648 1615810 1846640 2585296 3231620 6463240 12926480