10639313 has 4 divisors (see below), whose sum is σ = 10926900. Its totient is φ = 10351728.

The previous prime is 10639301. The next prime is 10639319. The reversal of 10639313 is 31393601.

10639313 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31393601 = 281 ⋅111721.

It can be written as a sum of positive squares in 2 ways, for example, as 7059649 + 3579664 = 2657^2 + 1892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10639313 is a prime.

It is a super-2 number, since 2×10639313² = 226389962223938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10639319) 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, 143738 + ... + 143811.

It is an arithmetic number, because the mean of its divisors is an integer number (2731725).

Almost surely, 2^10639313 is an apocalyptic number.

It is an amenable number.

10639313 is a deficient number, since it is larger than the sum of its proper divisors (287587).

10639313 is an equidigital number, since it uses as much as digits as its factorization.

10639313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287586.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 10639313 is about 3261.7959776786. The cubic root of 10639313 is about 219.9401558991.

The spelling of 10639313 in words is "ten million, six hundred thirty-nine thousand, three hundred thirteen".