14878755 has 32 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 7887456.

The previous prime is 14878751. The next prime is 14878763. The reversal of 14878755 is 55787841.

It is a happy number.

It is not a de Polignac number, because 14878755 - 2² = 14878751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 14878755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14878751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41266 + ... + 41624.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^14878755 is an apocalyptic number.

14878755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14878755 is a deficient number, since it is larger than the sum of its proper divisors (11732445).

14878755 is a wasteful number, since it uses less digits than its factorization.

14878755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 14878755 is about 3857.2989254140. The cubic root of 14878755 is about 245.9549292801.

The spelling of 14878755 in words is "fourteen million, eight hundred seventy-eight thousand, seven hundred fifty-five".