12985576 has 8 divisors (see below), whose sum is σ = 24347970. Its totient is φ = 6492784.

The previous prime is 12985549. The next prime is 12985597. The reversal of 12985576 is 67558921.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 6380676 = 2570^2 + 2526^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811591 + ... + 811606.

Almost surely, 2^12985576 is an apocalyptic number.

It is an amenable number.

12985576 is a deficient number, since it is larger than the sum of its proper divisors (11362394).

12985576 is a wasteful number, since it uses less digits than its factorization.

12985576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623203 (or 1623199 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 12985576 is about 3603.5504714101. The cubic root of 12985576 is about 235.0464733802.

The spelling of 12985576 in words is "twelve million, nine hundred eighty-five thousand, five hundred seventy-six".