12706564 has 12 divisors (see below), whose sum is σ = 23947084. Its totient is φ = 5864544.

The previous prime is 12706517. The next prime is 12706567. The reversal of 12706564 is 46560721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5904900 + 6801664 = 2430^2 + 2608^2 .

It is a super-2 number, since 2×12706564² = 322913537372192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12706567) 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, 122127 + ... + 122230.

Almost surely, 2^12706564 is an apocalyptic number.

It is an amenable number.

12706564 is a deficient number, since it is larger than the sum of its proper divisors (11240520).

12706564 is a wasteful number, since it uses less digits than its factorization.

12706564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244374 (or 244372 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 12706564 is about 3564.6267686814. The cubic root of 12706564 is about 233.3508440373.

The spelling of 12706564 in words is "twelve million, seven hundred six thousand, five hundred sixty-four".