14621399 has 16 divisors (see below), whose sum is σ = 16665600. Its totient is φ = 12725856.

The previous prime is 14621381. The next prime is 14621407. The reversal of 14621399 is 99312641.

It is a de Polignac number, because none of the positive numbers 2^k-14621399 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 (14621329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23312 + ... + 23930.

It is an arithmetic number, because the mean of its divisors is an integer number (1041600).

Almost surely, 2^14621399 is an apocalyptic number.

14621399 is a deficient number, since it is larger than the sum of its proper divisors (2044201).

14621399 is a wasteful number, since it uses less digits than its factorization.

14621399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its digits is 11664, while the sum is 35.

The square root of 14621399 is about 3823.7937967417. The cubic root of 14621399 is about 244.5285895729.

The spelling of 14621399 in words is "fourteen million, six hundred twenty-one thousand, three hundred ninety-nine".