14621387 has 4 divisors (see below), whose sum is σ = 15950616. Its totient is φ = 13292160.

The previous prime is 14621381. The next prime is 14621407. The reversal of 14621387 is 78312641.

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

It is a cyclic number.

It is not a de Polignac number, because 14621387 - 2¹⁰ = 14620363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14621381) 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, 664598 + ... + 664619.

It is an arithmetic number, because the mean of its divisors is an integer number (3987654).

Almost surely, 2^14621387 is an apocalyptic number.

14621387 is a deficient number, since it is larger than the sum of its proper divisors (1329229).

14621387 is a wasteful number, since it uses less digits than its factorization.

14621387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329228.

The product of its digits is 8064, while the sum is 32.

The square root of 14621387 is about 3823.7922276191. The cubic root of 14621387 is about 244.5285226768.

The spelling of 14621387 in words is "fourteen million, six hundred twenty-one thousand, three hundred eighty-seven".