13150391 has 2 divisors, whose sum is σ = 13150392. Its totient is φ = 13150390.

The previous prime is 13150349. The next prime is 13150399. The reversal of 13150391 is 19305131.

13150391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19305131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13150391 - 2⁶ = 13150327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13150399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575195 + 6575196.

It is an arithmetic number, because the mean of its divisors is an integer number (6575196).

Almost surely, 2^13150391 is an apocalyptic number.

13150391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13150391 is an equidigital number, since it uses as much as digits as its factorization.

13150391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 13150391 is about 3626.3467842996. The cubic root of 13150391 is about 236.0367114679.

The spelling of 13150391 in words is "thirteen million, one hundred fifty thousand, three hundred ninety-one".