14872639 has 2 divisors, whose sum is σ = 14872640. Its totient is φ = 14872638.

The previous prime is 14872607. The next prime is 14872643. The reversal of 14872639 is 93627841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14872639 - 2⁵ = 14872607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14875639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7436319 + 7436320.

It is an arithmetic number, because the mean of its divisors is an integer number (7436320).

Almost surely, 2^14872639 is an apocalyptic number.

14872639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14872639 is an equidigital number, since it uses as much as digits as its factorization.

14872639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 14872639 is about 3856.5060611906. The cubic root of 14872639 is about 245.9212242533.

The spelling of 14872639 in words is "fourteen million, eight hundred seventy-two thousand, six hundred thirty-nine".