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12646492 = 2219116553
BaseRepresentation
bin110000001111…
…100001011100
3212210111201121
4300033201130
511214141432
61131020324
7212331145
oct60174134
925714647
1012646492
117158551
12429a6a4
13280a341
141972acc
15119c197
hexc0f85c

12646492 has 12 divisors (see below), whose sum is σ = 22248576. Its totient is φ = 6289760.

The previous prime is 12646483. The next prime is 12646499. The reversal of 12646492 is 29464621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12646499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7513 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (1854048).

Almost surely, 212646492 is an apocalyptic number.

It is an amenable number.

12646492 is a deficient number, since it is larger than the sum of its proper divisors (9602084).

12646492 is a wasteful number, since it uses less digits than its factorization.

12646492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16748 (or 16746 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 12646492 is about 3556.1906585559. The cubic root of 12646492 is about 232.9825304493.

The spelling of 12646492 in words is "twelve million, six hundred forty-six thousand, four hundred ninety-two".

Divisors: 1 2 4 191 382 764 16553 33106 66212 3161623 6323246 12646492