13099855 has 8 divisors (see below), whose sum is σ = 15941664. Its totient is φ = 10332000.

The previous prime is 13099841. The next prime is 13099871. The reversal of 13099855 is 55899031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13099855 - 2⁷ = 13099727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18096 + ... + 18805.

It is an arithmetic number, because the mean of its divisors is an integer number (1992708).

Almost surely, 2^13099855 is an apocalyptic number.

13099855 is a deficient number, since it is larger than the sum of its proper divisors (2841809).

13099855 is an equidigital number, since it uses as much as digits as its factorization.

13099855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36977.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 13099855 is about 3619.3721831279. The cubic root of 13099855 is about 235.7339659986.

The spelling of 13099855 in words is "thirteen million, ninety-nine thousand, eight hundred fifty-five".