14913391 has 2 divisors, whose sum is σ = 14913392. Its totient is φ = 14913390.

The previous prime is 14913377. The next prime is 14913397. The reversal of 14913391 is 19331941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14913391 - 2¹³ = 14905199 is a prime.

It is a super-2 number, since 2×14913391² = 444818462237762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14913397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7456695 + 7456696.

It is an arithmetic number, because the mean of its divisors is an integer number (7456696).

Almost surely, 2^14913391 is an apocalyptic number.

14913391 is a deficient number, since it is larger than the sum of its proper divisors (1).

14913391 is an equidigital number, since it uses as much as digits as its factorization.

14913391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 31.

The square root of 14913391 is about 3861.7859857843. The cubic root of 14913391 is about 246.1456328064.

The spelling of 14913391 in words is "fourteen million, nine hundred thirteen thousand, three hundred ninety-one".