13030985 has 24 divisors (see below), whose sum is σ = 17670528. Its totient is φ = 9144800.

The previous prime is 13030981. The next prime is 13030987. The reversal of 13030985 is 58903031.

13030985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13030985 - 2² = 13030981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183500 + ... + 183570.

It is an arithmetic number, because the mean of its divisors is an integer number (736272).

Almost surely, 2^13030985 is an apocalyptic number.

It is an amenable number.

13030985 is a deficient number, since it is larger than the sum of its proper divisors (4639543).

13030985 is an equidigital number, since it uses as much as digits as its factorization.

13030985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13030985 is about 3609.8455645637. The cubic root of 13030985 is about 235.3201310761.

The spelling of 13030985 in words is "thirteen million, thirty thousand, nine hundred eighty-five".