13307889 has 16 divisors (see below), whose sum is σ = 21472128. Its totient is φ = 7156992.

The previous prime is 13307887. The next prime is 13307891. The reversal of 13307889 is 98870331.

It is an interprime number because it is at equal distance from previous prime (13307887) and next prime (13307891).

It is not a de Polignac number, because 13307889 - 2¹ = 13307887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13307887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18282 + ... + 18995.

It is an arithmetic number, because the mean of its divisors is an integer number (1342008).

Almost surely, 2^13307889 is an apocalyptic number.

It is an amenable number.

13307889 is a deficient number, since it is larger than the sum of its proper divisors (8164239).

13307889 is a wasteful number, since it uses less digits than its factorization.

13307889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37304.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 13307889 is about 3647.9979440784. The cubic root of 13307889 is about 236.9752862834.

It can be divided in two parts, 13307 and 889, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 13307889 in words is "thirteen million, three hundred seven thousand, eight hundred eighty-nine".