14528639 has 2 divisors, whose sum is σ = 14528640. Its totient is φ = 14528638.

The previous prime is 14528629. The next prime is 14528641. The reversal of 14528639 is 93682541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14528639 is a prime.

It is a super-2 number, since 2×14528639² = 422162702384642, which contains 22 as substring.

Together with 14528641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14528629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7264319 + 7264320.

It is an arithmetic number, because the mean of its divisors is an integer number (7264320).

Almost surely, 2^14528639 is an apocalyptic number.

14528639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14528639 is an equidigital number, since it uses as much as digits as its factorization.

14528639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 14528639 is about 3811.6451828574. The cubic root of 14528639 is about 244.0103854309.

The spelling of 14528639 in words is "fourteen million, five hundred twenty-eight thousand, six hundred thirty-nine".