12501512 has 16 divisors (see below), whose sum is σ = 24459840. Its totient is φ = 5978896.

The previous prime is 12501509. The next prime is 12501527. The reversal of 12501512 is 21510521.

It is a super-2 number, since 2×12501512² = 312575604572288, which contains 22 as substring.

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, 33788 + ... + 34155.

It is an arithmetic number, because the mean of its divisors is an integer number (1528740).

Almost surely, 2^12501512 is an apocalyptic number.

It is an amenable number.

12501512 is a deficient number, since it is larger than the sum of its proper divisors (11958328).

12501512 is a wasteful number, since it uses less digits than its factorization.

12501512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67972 (or 67968 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 12501512 is about 3535.7477285576. The cubic root of 12501512 is about 232.0887987465.

Subtracting 12501512 from its reverse (21510521), we obtain a palindrome (9009009).

The spelling of 12501512 in words is "twelve million, five hundred one thousand, five hundred twelve".