13290605 has 16 divisors (see below), whose sum is σ = 16308864. Its totient is φ = 10395840.

The previous prime is 13290547. The next prime is 13290647. The reversal of 13290605 is 50609231.

It is not a de Polignac number, because 13290605 - 2⁸ = 13290349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 67367 + ... + 67563.

It is an arithmetic number, because the mean of its divisors is an integer number (1019304).

Almost surely, 2^13290605 is an apocalyptic number.

It is an amenable number.

13290605 is a deficient number, since it is larger than the sum of its proper divisors (3018259).

13290605 is a wasteful number, since it uses less digits than its factorization.

13290605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13290605 is about 3645.6282037531. The cubic root of 13290605 is about 236.8726490346.

Adding to 13290605 its reverse (50609231), we get a palindrome (63899836).

The spelling of 13290605 in words is "thirteen million, two hundred ninety thousand, six hundred five".