14638813 has 8 divisors (see below), whose sum is σ = 16819200. Its totient is φ = 12480720.

The previous prime is 14638807. The next prime is 14638817. The reversal of 14638813 is 31883641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-14638813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14638817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4138 + ... + 6811.

It is an arithmetic number, because the mean of its divisors is an integer number (2102400).

Almost surely, 2^14638813 is an apocalyptic number.

It is an amenable number.

14638813 is a deficient number, since it is larger than the sum of its proper divisors (2180387).

14638813 is a wasteful number, since it uses less digits than its factorization.

14638813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147.

The product of its digits is 13824, while the sum is 34.

The square root of 14638813 is about 3826.0701770877. The cubic root of 14638813 is about 244.6256284283.

It can be divided in two parts, 14638 and 813, that added together give a palindrome (15451).

The spelling of 14638813 in words is "fourteen million, six hundred thirty-eight thousand, eight hundred thirteen".