13000985 has 8 divisors (see below), whose sum is σ = 15639360. Its totient is φ = 10375344.

The previous prime is 13000979. The next prime is 13000987. The reversal of 13000985 is 58900031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13000985 is a prime.

It is a super-2 number, since 2×13000985² = 338051221940450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13000987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (1954920).

Almost surely, 2^13000985 is an apocalyptic number.

It is an amenable number.

13000985 is a deficient number, since it is larger than the sum of its proper divisors (2638375).

13000985 is an equidigital number, since it uses as much as digits as its factorization.

13000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 13000985 is about 3605.6878678000. The cubic root of 13000985 is about 235.1394072494.

The spelling of 13000985 in words is "thirteen million, nine hundred eighty-five", and thus it is an aban number.