14624639 has 4 divisors (see below), whose sum is σ = 14758920. Its totient is φ = 14490360.

The previous prime is 14624633. The next prime is 14624647. The reversal of 14624639 is 93642641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14624639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14624599 and 14624608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14624633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66977 + ... + 67194.

It is an arithmetic number, because the mean of its divisors is an integer number (3689730).

Almost surely, 2^14624639 is an apocalyptic number.

14624639 is a deficient number, since it is larger than the sum of its proper divisors (134281).

14624639 is a wasteful number, since it uses less digits than its factorization.

14624639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134280.

The product of its digits is 31104, while the sum is 35.

The square root of 14624639 is about 3824.2174362868. The cubic root of 14624639 is about 244.5466501820.

The spelling of 14624639 in words is "fourteen million, six hundred twenty-four thousand, six hundred thirty-nine".