13884657 has 16 divisors (see below), whose sum is σ = 19462080. Its totient is φ = 8793792.

The previous prime is 13884653. The next prime is 13884659. The reversal of 13884657 is 75648831.

13884657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13884657 - 2² = 13884653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13884653) 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, 3319 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (1216380).

Almost surely, 2^13884657 is an apocalyptic number.

It is an amenable number.

13884657 is a deficient number, since it is larger than the sum of its proper divisors (5577423).

13884657 is a wasteful number, since it uses less digits than its factorization.

13884657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its digits is 161280, while the sum is 42.

The square root of 13884657 is about 3726.2121517702. The cubic root of 13884657 is about 240.3505121448.

It can be divided in two parts, 13884 and 657, that added together give a palindrome (14541).

The spelling of 13884657 in words is "thirteen million, eight hundred eighty-four thousand, six hundred fifty-seven".