12512072 has 16 divisors (see below), whose sum is σ = 23641200. Its totient is φ = 6207760.

The previous prime is 12512063. The next prime is 12512077. The reversal of 12512072 is 27021521.

It is not an unprimeable number, because it can be changed into a prime (12512077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4922 + ... + 7017.

It is an arithmetic number, because the mean of its divisors is an integer number (1477575).

Almost surely, 2^12512072 is an apocalyptic number.

It is an amenable number.

12512072 is a deficient number, since it is larger than the sum of its proper divisors (11129128).

12512072 is a wasteful number, since it uses less digits than its factorization.

12512072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076 (or 12072 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12512072 is about 3537.2407325485. The cubic root of 12512072 is about 232.1541286564.

Adding to 12512072 its reverse (27021521), we get a palindrome (39533593).

The spelling of 12512072 in words is "twelve million, five hundred twelve thousand, seventy-two".