12986552 has 8 divisors (see below), whose sum is σ = 24349800. Its totient is φ = 6493272.

The previous prime is 12986527. The next prime is 12986563. The reversal of 12986552 is 25568921.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811652 + ... + 811667.

It is an arithmetic number, because the mean of its divisors is an integer number (3043725).

Almost surely, 2^12986552 is an apocalyptic number.

It is an amenable number.

12986552 is a deficient number, since it is larger than the sum of its proper divisors (11363248).

12986552 is a wasteful number, since it uses less digits than its factorization.

12986552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623325 (or 1623321 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 12986552 is about 3603.6858908623. The cubic root of 12986552 is about 235.0523619551.

The spelling of 12986552 in words is "twelve million, nine hundred eighty-six thousand, five hundred fifty-two".