13191607 has 16 divisors (see below), whose sum is σ = 16037280. Its totient is φ = 10684800.

The previous prime is 13191601. The next prime is 13191613. The reversal of 13191607 is 70619131.

It is an interprime number because it is at equal distance from previous prime (13191601) and next prime (13191613).

It is a cyclic number.

It is not a de Polignac number, because 13191607 - 2³ = 13191599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13191601) 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, 2557 + ... + 5737.

It is an arithmetic number, because the mean of its divisors is an integer number (1002330).

Almost surely, 2^13191607 is an apocalyptic number.

13191607 is a deficient number, since it is larger than the sum of its proper divisors (2845673).

13191607 is a wasteful number, since it uses less digits than its factorization.

13191607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 13191607 is about 3632.0251926439. The cubic root of 13191607 is about 236.2830499754.

It can be divided in two parts, 1319 and 1607, that added together give a triangular number (2926 = T₇₆).

The spelling of 13191607 in words is "thirteen million, one hundred ninety-one thousand, six hundred seven".