15074013 has 4 divisors (see below), whose sum is σ = 20098688. Its totient is φ = 10049340.

The previous prime is 15073999. The next prime is 15074099. The reversal of 15074013 is 31047051.

15074013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15074013 - 2¹⁸ = 14811869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15074413) 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, 2512333 + ... + 2512338.

It is an arithmetic number, because the mean of its divisors is an integer number (5024672).

Almost surely, 2^15074013 is an apocalyptic number.

It is an amenable number.

15074013 is a deficient number, since it is larger than the sum of its proper divisors (5024675).

15074013 is an equidigital number, since it uses as much as digits as its factorization.

15074013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024674.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 15074013 is about 3882.5266257941. The cubic root of 15074013 is about 247.0261682296.

The spelling of 15074013 in words is "fifteen million, seventy-four thousand, thirteen".