13292639 has 2 divisors, whose sum is σ = 13292640. Its totient is φ = 13292638.

The previous prime is 13292627. The next prime is 13292663. The reversal of 13292639 is 93629231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13292639 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13292599 and 13292608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13294639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6646319 + 6646320.

It is an arithmetic number, because the mean of its divisors is an integer number (6646320).

Almost surely, 2^13292639 is an apocalyptic number.

13292639 is a deficient number, since it is larger than the sum of its proper divisors (1).

13292639 is an equidigital number, since it uses as much as digits as its factorization.

13292639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 13292639 is about 3645.9071573478. The cubic root of 13292639 is about 236.8847321162.

It can be divided in two parts, 13292 and 639, that added together give a palindrome (13931).

The spelling of 13292639 in words is "thirteen million, two hundred ninety-two thousand, six hundred thirty-nine".