13990275 has 36 divisors (see below), whose sum is σ = 26991328. Its totient is φ = 6886080.

The previous prime is 13990271. The next prime is 13990283. The reversal of 13990275 is 57209931.

It is not a de Polignac number, because 13990275 - 2² = 13990271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13990271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 534 + ... + 5316.

Almost surely, 2^13990275 is an apocalyptic number.

13990275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13990275 is a deficient number, since it is larger than the sum of its proper divisors (13001053).

13990275 is a wasteful number, since it uses less digits than its factorization.

13990275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 4804 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 13990275 is about 3740.3576032246. The cubic root of 13990275 is about 240.9584072204.

The spelling of 13990275 in words is "thirteen million, nine hundred ninety thousand, two hundred seventy-five".