12906529664 has 32 divisors (see below), whose sum is σ = 29385404400. Its totient is φ = 5531369472.

The previous prime is 12906529613. The next prime is 12906529673. The reversal of 12906529664 is 46692560921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 7201409 + ... + 7203200.

Almost surely, 2^12906529664 is an apocalyptic number.

12906529664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12906529664 is an abundant number, since it is smaller than the sum of its proper divisors (16478874736).

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

12906529664 is an equidigital number, since it uses as much as digits as its factorization.

12906529664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404630 (or 14404618 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 12906529664 in words is "twelve billion, nine hundred six million, five hundred twenty-nine thousand, six hundred sixty-four".