13662855 has 12 divisors (see below), whose sum is σ = 23682360. Its totient is φ = 7286832.

The previous prime is 13662829. The next prime is 13662871. The reversal of 13662855 is 55826631.

13662855 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13662855 - 2⁶ = 13662791 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, 151765 + ... + 151854.

It is an arithmetic number, because the mean of its divisors is an integer number (1973530).

Almost surely, 2^13662855 is an apocalyptic number.

13662855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13662855 is a deficient number, since it is larger than the sum of its proper divisors (10019505).

13662855 is a wasteful number, since it uses less digits than its factorization.

13662855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303630 (or 303627 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 13662855 is about 3696.3299365722. The cubic root of 13662855 is about 239.0638007106.

The spelling of 13662855 in words is "thirteen million, six hundred sixty-two thousand, eight hundred fifty-five".