12564080 has 20 divisors (see below), whose sum is σ = 29211672. Its totient is φ = 5025600.

The previous prime is 12564077. The next prime is 12564121. The reversal of 12564080 is 8046521.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×12564080² = 315712212492800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 78446 + ... + 78605.

Almost surely, 2^12564080 is an apocalyptic number.

12564080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12564080 is an abundant number, since it is smaller than the sum of its proper divisors (16647592).

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

12564080 is a wasteful number, since it uses less digits than its factorization.

12564080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157064 (or 157058 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12564080 is about 3544.5846018963. The cubic root of 12564080 is about 232.4753432826.

The spelling of 12564080 in words is "twelve million, five hundred sixty-four thousand, eighty".