15032012 has 12 divisors (see below), whose sum is σ = 27853560. Its totient is φ = 7073856.

The previous prime is 15031997. The next prime is 15032089. The reversal of 15032012 is 21023051.

It is a happy number.

It is a super-2 number, since 2×15032012² = 451922769536288, which contains 22 as substring.

It is a congruent number.

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, 110462 + ... + 110597.

It is an arithmetic number, because the mean of its divisors is an integer number (2321130).

Almost surely, 2^15032012 is an apocalyptic number.

It is an amenable number.

15032012 is a deficient number, since it is larger than the sum of its proper divisors (12821548).

15032012 is a wasteful number, since it uses less digits than its factorization.

15032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221080 (or 221078 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 15032012 is about 3877.1138750364. The cubic root of 15032012 is about 246.7965236226.

Adding to 15032012 its reverse (21023051), we get a palindrome (36055063).

The spelling of 15032012 in words is "fifteen million, thirty-two thousand, twelve".