12709564 has 12 divisors (see below), whose sum is σ = 25419184. Its totient is φ = 5446944.

The previous prime is 12709561. The next prime is 12709573. The reversal of 12709564 is 46590721.

12709564 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12709561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226929 + ... + 226984.

Almost surely, 2^12709564 is an apocalyptic number.

12709564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12709564 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.

12709564 is a wasteful number, since it uses less digits than its factorization.

12709564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453924 (or 453922 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12709564 is about 3565.0475452650. The cubic root of 12709564 is about 233.3692071827.

The spelling of 12709564 in words is "twelve million, seven hundred nine thousand, five hundred sixty-four".