14991255 has 12 divisors (see below), whose sum is σ = 25984920. Its totient is φ = 7995312.

The previous prime is 14991241. The next prime is 14991271. The reversal of 14991255 is 55219941.

It is not a de Polignac number, because 14991255 - 2⁶ = 14991191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166525 + ... + 166614.

It is an arithmetic number, because the mean of its divisors is an integer number (2165410).

Almost surely, 2^14991255 is an apocalyptic number.

14991255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14991255 is a deficient number, since it is larger than the sum of its proper divisors (10993665).

14991255 is a wasteful number, since it uses less digits than its factorization.

14991255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333150 (or 333147 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 14991255 is about 3871.8542069660. The cubic root of 14991255 is about 246.5732713950.

The spelling of 14991255 in words is "fourteen million, nine hundred ninety-one thousand, two hundred fifty-five".