13182985 has 4 divisors (see below), whose sum is σ = 15819588. Its totient is φ = 10546384.

The previous prime is 13182977. The next prime is 13183003. The reversal of 13182985 is 58928131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7096896 + 6086089 = 2664^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 13182985 - 2³ = 13182977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318294 + ... + 1318303.

It is an arithmetic number, because the mean of its divisors is an integer number (3954897).

Almost surely, 2^13182985 is an apocalyptic number.

It is an amenable number.

13182985 is a deficient number, since it is larger than the sum of its proper divisors (2636603).

13182985 is an equidigital number, since it uses as much as digits as its factorization.

13182985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636602.

The product of its digits is 17280, while the sum is 37.

The square root of 13182985 is about 3630.8380575289. The cubic root of 13182985 is about 236.2315607605.

The spelling of 13182985 in words is "thirteen million, one hundred eighty-two thousand, nine hundred eighty-five".