7996513 has 4 divisors (see below), whose sum is σ = 9138880. Its totient is φ = 6854148.

The previous prime is 7996501. The next prime is 7996519. The reversal of 7996513 is 3156997.

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 a de Polignac number, because none of the positive numbers 2^k-7996513 is a prime.

It is a super-3 number, since 3×7996513³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7996519) 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, 571173 + ... + 571186.

It is an arithmetic number, because the mean of its divisors is an integer number (2284720).

Almost surely, 2^7996513 is an apocalyptic number.

It is an amenable number.

7996513 is a deficient number, since it is larger than the sum of its proper divisors (1142367).

7996513 is a wasteful number, since it uses less digits than its factorization.

7996513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142366.

The product of its digits is 51030, while the sum is 40.

The square root of 7996513 is about 2827.8106372245. The cubic root of 7996513 is about 199.9709374437.

The spelling of 7996513 in words is "seven million, nine hundred ninety-six thousand, five hundred thirteen".