14872391 has 2 divisors, whose sum is σ = 14872392. Its totient is φ = 14872390.

The previous prime is 14872379. The next prime is 14872423. The reversal of 14872391 is 19327841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14872391 - 2⁶ = 14872327 is a prime.

It is a Sophie Germain 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 (14872301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7436195 + 7436196.

It is an arithmetic number, because the mean of its divisors is an integer number (7436196).

Almost surely, 2^14872391 is an apocalyptic number.

14872391 is a deficient number, since it is larger than the sum of its proper divisors (1).

14872391 is an equidigital number, since it uses as much as digits as its factorization.

14872391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 14872391 is about 3856.4739076001. The cubic root of 14872391 is about 245.9198573405.

The spelling of 14872391 in words is "fourteen million, eight hundred seventy-two thousand, three hundred ninety-one".