15045012 has 36 divisors (see below), whose sum is σ = 38918880. Its totient is φ = 4897872.

The previous prime is 15045001. The next prime is 15045031. The reversal of 15045012 is 21054051.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3312 + ... + 6407.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^15045012 is an apocalyptic number.

15045012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15045012 is an abundant number, since it is smaller than the sum of its proper divisors (23873868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15045012 is a wasteful number, since it uses less digits than its factorization.

15045012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772 (or 9767 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 15045012 is about 3878.7900175183. The cubic root of 15045012 is about 246.8676480639.

Adding to 15045012 its reverse (21054051), we get a palindrome (36099063).

The spelling of 15045012 in words is "fifteen million, forty-five thousand, twelve".