15012985 has 8 divisors (see below), whose sum is σ = 19401480. Its totient is φ = 11086464.

The previous prime is 15012967. The next prime is 15013001. The reversal of 15012985 is 58921051.

15012985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 121104 + 14891881 = 348^2 + 3859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15012985 - 2⁵ = 15012953 is a prime.

It is a super-2 number, since 2×15012985² = 450779437220450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115420 + ... + 115549.

It is an arithmetic number, because the mean of its divisors is an integer number (2425185).

Almost surely, 2^15012985 is an apocalyptic number.

It is an amenable number.

15012985 is a deficient number, since it is larger than the sum of its proper divisors (4388495).

15012985 is a wasteful number, since it uses less digits than its factorization.

15012985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230987.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 15012985 is about 3874.6593398646. The cubic root of 15012985 is about 246.6923508277.

The spelling of 15012985 in words is "fifteen million, twelve thousand, nine hundred eighty-five".