13148985 has 16 divisors (see below), whose sum is σ = 21953664. Its totient is φ = 6707712.

The previous prime is 13148963. The next prime is 13148999. The reversal of 13148985 is 58984131.

It is not a de Polignac number, because 13148985 - 2⁵ = 13148953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18712 + ... + 19401.

It is an arithmetic number, because the mean of its divisors is an integer number (1372104).

Almost surely, 2^13148985 is an apocalyptic number.

13148985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13148985 is a deficient number, since it is larger than the sum of its proper divisors (8804679).

13148985 is a wasteful number, since it uses less digits than its factorization.

13148985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38144.

The product of its digits is 34560, while the sum is 39.

The square root of 13148985 is about 3626.1529201069. The cubic root of 13148985 is about 236.0282990579.

The spelling of 13148985 in words is "thirteen million, one hundred forty-eight thousand, nine hundred eighty-five".