14997855 has 16 divisors (see below), whose sum is σ = 24219360. Its totient is φ = 7924608.

The previous prime is 14997847. The next prime is 14997877. The reversal of 14997855 is 55879941.

It is not a de Polignac number, because 14997855 - 2³ = 14997847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (1513710).

Almost surely, 2^14997855 is an apocalyptic number.

14997855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14997855 is a deficient number, since it is larger than the sum of its proper divisors (9221505).

14997855 is a wasteful number, since it uses less digits than its factorization.

14997855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9290.

The product of its digits is 453600, while the sum is 48.

The square root of 14997855 is about 3872.7064179976. The cubic root of 14997855 is about 246.6094512618.

The spelling of 14997855 in words is "fourteen million, nine hundred ninety-seven thousand, eight hundred fifty-five".