13250985 has 16 divisors (see below), whose sum is σ = 23129280. Its totient is φ = 6424640.

The previous prime is 13250959. The next prime is 13250989. The reversal of 13250985 is 58905231.

It is not a de Polignac number, because 13250985 - 2⁵ = 13250953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13250989) by changing a digit.

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, 39990 + ... + 40319.

It is an arithmetic number, because the mean of its divisors is an integer number (1445580).

Almost surely, 2^13250985 is an apocalyptic number.

13250985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13250985 is a deficient number, since it is larger than the sum of its proper divisors (9878295).

13250985 is a wasteful number, since it uses less digits than its factorization.

13250985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80328.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 13250985 is about 3640.1902422813. The cubic root of 13250985 is about 236.6370381036.

The spelling of 13250985 in words is "thirteen million, two hundred fifty thousand, nine hundred eighty-five".