13479855 has 16 divisors (see below), whose sum is σ = 22070400. Its totient is φ = 7021728.

The previous prime is 13479821. The next prime is 13479871. The reversal of 13479855 is 55897431.

It is not a de Polignac number, because 13479855 - 2⁷ = 13479727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9805 + ... + 11094.

It is an arithmetic number, because the mean of its divisors is an integer number (1379400).

Almost surely, 2^13479855 is an apocalyptic number.

13479855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13479855 is a deficient number, since it is larger than the sum of its proper divisors (8590545).

13479855 is a wasteful number, since it uses less digits than its factorization.

13479855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20950.

The product of its digits is 151200, while the sum is 42.

The square root of 13479855 is about 3671.4922034508. The cubic root of 13479855 is about 237.9916610783.

The spelling of 13479855 in words is "thirteen million, four hundred seventy-nine thousand, eight hundred fifty-five".