7040013 has 16 divisors (see below), whose sum is σ = 9977280. Its totient is φ = 4402944.

The previous prime is 7040009. The next prime is 7040017. The reversal of 7040013 is 3100407.

7040013 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7040009) and next prime (7040017).

It is not a de Polignac number, because 7040013 - 2² = 7040009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7039974 and 7040001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5895 + ... + 6987.

It is an arithmetic number, because the mean of its divisors is an integer number (623580).

Almost surely, 2^7040013 is an apocalyptic number.

It is an amenable number.

7040013 is a deficient number, since it is larger than the sum of its proper divisors (2937267).

7040013 is a wasteful number, since it uses less digits than its factorization.

7040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 7040013 is about 2653.3022820629. The cubic root of 7040013 is about 191.6569122530.

The spelling of 7040013 in words is "seven million, forty thousand, thirteen".