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12929286 = 232154881
BaseRepresentation
bin110001010100…
…100100000110
3220022212122110
4301110210012
511302214121
61141041450
7214616466
oct61244406
926285573
1012929286
117330a67
1243b6286
1328a8c86
141a07ba6
151205d76
hexc54906

12929286 has 8 divisors (see below), whose sum is σ = 25858584. Its totient is φ = 4309760.

The previous prime is 12929251. The next prime is 12929303. The reversal of 12929286 is 68292921.

It is a sphenic number, since it is the product of 3 distinct primes.

12929286 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077435 + ... + 1077446.

It is an arithmetic number, because the mean of its divisors is an integer number (3232323).

Almost surely, 212929286 is an apocalyptic number.

12929286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12929286 is a wasteful number, since it uses less digits than its factorization.

12929286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154886.

The product of its digits is 31104, while the sum is 39.

The square root of 12929286 is about 3595.7316362599. The cubic root of 12929286 is about 234.7063542157.

The spelling of 12929286 in words is "twelve million, nine hundred twenty-nine thousand, two hundred eighty-six".

Divisors: 1 2 3 6 2154881 4309762 6464643 12929286