13055885 has 8 divisors (see below), whose sum is σ = 15687960. Its totient is φ = 10430784.

The previous prime is 13055879. The next prime is 13055897. The reversal of 13055885 is 58855031.

It can be written as a sum of positive squares in 4 ways, for example, as 3108169 + 9947716 = 1763^2 + 3154^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13055885 - 2⁸ = 13055629 is a prime.

It is a super-2 number, since 2×13055885² = 340912266266450, which contains 22 as substring.

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, 4271 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (1960995).

Almost surely, 2^13055885 is an apocalyptic number.

It is an amenable number.

13055885 is a deficient number, since it is larger than the sum of its proper divisors (2632075).

13055885 is a wasteful number, since it uses less digits than its factorization.

13055885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 13055885 is about 3613.2928195761. The cubic root of 13055885 is about 235.4699213150.

The spelling of 13055885 in words is "thirteen million, fifty-five thousand, eight hundred eighty-five".