13265990 has 16 divisors (see below), whose sum is σ = 25135920. Its totient is φ = 5027040.

The previous prime is 13265981. The next prime is 13266007. The reversal of 13265990 is 9956231.

It is a self number, because there is not a number n which added to its sum of digits gives 13265990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34721 + ... + 35100.

It is an arithmetic number, because the mean of its divisors is an integer number (1570995).

Almost surely, 2^13265990 is an apocalyptic number.

13265990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13265990 is a deficient number, since it is larger than the sum of its proper divisors (11869930).

13265990 is a wasteful number, since it uses less digits than its factorization.

13265990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69847.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 13265990 is about 3642.2506778090. The cubic root of 13265990 is about 236.7263245315.

The spelling of 13265990 in words is "thirteen million, two hundred sixty-five thousand, nine hundred ninety".