13310639 has 4 divisors (see below), whose sum is σ = 13670424. Its totient is φ = 12950856.

The previous prime is 13310611. The next prime is 13310641. The reversal of 13310639 is 93601331.

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

It is a cyclic number.

It is not a de Polignac number, because 13310639 - 2¹² = 13306543 is a prime.

It is a super-2 number, since 2×13310639² = 354346221176642, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310669) 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, 179837 + ... + 179910.

It is an arithmetic number, because the mean of its divisors is an integer number (3417606).

Almost surely, 2^13310639 is an apocalyptic number.

13310639 is a deficient number, since it is larger than the sum of its proper divisors (359785).

13310639 is an equidigital number, since it uses as much as digits as its factorization.

13310639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359784.

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

The square root of 13310639 is about 3648.3748436804. The cubic root of 13310639 is about 236.9916083601.

The spelling of 13310639 in words is "thirteen million, three hundred ten thousand, six hundred thirty-nine".