12985012 has 6 divisors (see below), whose sum is σ = 22723778. Its totient is φ = 6492504.

The previous prime is 12985003. The next prime is 12985013. The reversal of 12985012 is 21058921.

It can be written as a sum of positive squares in only one way, i.e., 8549776 + 4435236 = 2924^2 + 2106^2 .

It is a super-2 number, since 2×12985012² = 337221073280288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12985013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623123 + ... + 1623130.

Almost surely, 2^12985012 is an apocalyptic number.

It is an amenable number.

12985012 is a deficient number, since it is larger than the sum of its proper divisors (9738766).

12985012 is a wasteful number, since it uses less digits than its factorization.

12985012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246257 (or 3246255 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12985012 is about 3603.4722144065. The cubic root of 12985012 is about 235.0430704216.

The spelling of 12985012 in words is "twelve million, nine hundred eighty-five thousand, twelve".