13799555 has 32 divisors (see below), whose sum is σ = 20971008. Its totient is φ = 8467200.

The previous prime is 13799551. The next prime is 13799579. The reversal of 13799555 is 55599731.

It is not a de Polignac number, because 13799555 - 2² = 13799551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13799551) 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, 27860 + ... + 28350.

It is an arithmetic number, because the mean of its divisors is an integer number (655344).

Almost surely, 2^13799555 is an apocalyptic number.

13799555 is a deficient number, since it is larger than the sum of its proper divisors (7171453).

13799555 is a wasteful number, since it uses less digits than its factorization.

13799555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587.

The product of its digits is 212625, while the sum is 44.

The square root of 13799555 is about 3714.7752287319. The cubic root of 13799555 is about 239.8584524139.

The spelling of 13799555 in words is "thirteen million, seven hundred ninety-nine thousand, five hundred fifty-five".