7964013 has 4 divisors (see below), whose sum is σ = 10618688. Its totient is φ = 5309340.

The previous prime is 7963981. The next prime is 7964023. The reversal of 7964013 is 3104697.

It is a happy number.

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 7964013 - 2⁵ = 7963981 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327333 + ... + 1327338.

It is an arithmetic number, because the mean of its divisors is an integer number (2654672).

Almost surely, 2^7964013 is an apocalyptic number.

It is an amenable number.

7964013 is a deficient number, since it is larger than the sum of its proper divisors (2654675).

7964013 is a wasteful number, since it uses less digits than its factorization.

7964013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654674.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 7964013 is about 2822.0582913895. The cubic root of 7964013 is about 199.6996575311.

The spelling of 7964013 in words is "seven million, nine hundred sixty-four thousand, thirteen".