7950013 has 4 divisors (see below), whose sum is σ = 8028828. Its totient is φ = 7871200.

The previous prime is 7950001. The next prime is 7950109. The reversal of 7950013 is 3100597.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6744409 + 1205604 = 2597^2 + 1098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7950013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7950013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7950413) 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, 39256 + ... + 39457.

It is an arithmetic number, because the mean of its divisors is an integer number (2007207).

Almost surely, 2^7950013 is an apocalyptic number.

It is an amenable number.

7950013 is a deficient number, since it is larger than the sum of its proper divisors (78815).

7950013 is a wasteful number, since it uses less digits than its factorization.

7950013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78814.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 7950013 is about 2819.5767412858. The cubic root of 7950013 is about 199.5825710381.

The spelling of 7950013 in words is "seven million, nine hundred fifty thousand, thirteen".