13391907 has 8 divisors (see below), whose sum is σ = 18432000. Its totient is φ = 8639880.

The previous prime is 13391867. The next prime is 13391909. The reversal of 13391907 is 70919331.

13391907 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13391907 - 2⁷ = 13391779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13391909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71907 + ... + 72092.

It is an arithmetic number, because the mean of its divisors is an integer number (2304000).

Almost surely, 2^13391907 is an apocalyptic number.

13391907 is a deficient number, since it is larger than the sum of its proper divisors (5040093).

13391907 is a wasteful number, since it uses less digits than its factorization.

13391907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144033.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 13391907 is about 3659.4954570268. The cubic root of 13391907 is about 237.4729468724.

The spelling of 13391907 in words is "thirteen million, three hundred ninety-one thousand, nine hundred seven".