7904013 has 8 divisors (see below), whose sum is σ = 11349408. Its totient is φ = 4863984.

The previous prime is 7904009. The next prime is 7904063. The reversal of 7904013 is 3104097.

7904013 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7904013 - 2² = 7904009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7904063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101295 + ... + 101372.

It is an arithmetic number, because the mean of its divisors is an integer number (1418676).

Almost surely, 2^7904013 is an apocalyptic number.

It is an amenable number.

7904013 is a deficient number, since it is larger than the sum of its proper divisors (3445395).

7904013 is a wasteful number, since it uses less digits than its factorization.

7904013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202683.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 7904013 is about 2811.4076545389. The cubic root of 7904013 is about 199.1968877032.

The spelling of 7904013 in words is "seven million, nine hundred four thousand, thirteen".