12696546 has 16 divisors (see below), whose sum is σ = 26212608. Its totient is φ = 4095600.

The previous prime is 12696539. The next prime is 12696553. The reversal of 12696546 is 64569621.

It is an interprime number because it is at equal distance from previous prime (12696539) and next prime (12696553).

It is a super-2 number, since 2×12696546² = 322404560660232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33945 + ... + 34316.

It is an arithmetic number, because the mean of its divisors is an integer number (1638288).

Almost surely, 2^12696546 is an apocalyptic number.

12696546 is an abundant number, since it is smaller than the sum of its proper divisors (13516062).

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

12696546 is a wasteful number, since it uses less digits than its factorization.

12696546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68297.

The product of its digits is 77760, while the sum is 39.

The square root of 12696546 is about 3563.2212954011. The cubic root of 12696546 is about 233.2895024246.

The spelling of 12696546 in words is "twelve million, six hundred ninety-six thousand, five hundred forty-six".