13389651 has 16 divisors (see below), whose sum is σ = 21640320. Its totient is φ = 8114760.

The previous prime is 13389647. The next prime is 13389653. The reversal of 13389651 is 15698331.

It is a happy number.

It is not a de Polignac number, because 13389651 - 2² = 13389647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13389653) by changing a digit.

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, 22245 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (1352520).

Almost surely, 2^13389651 is an apocalyptic number.

13389651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13389651 is a deficient number, since it is larger than the sum of its proper divisors (8250669).

13389651 is a wasteful number, since it uses less digits than its factorization.

13389651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45103 (or 45097 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 13389651 is about 3659.1872048311. The cubic root of 13389651 is about 237.4596112298.

The spelling of 13389651 in words is "thirteen million, three hundred eighty-nine thousand, six hundred fifty-one".