13949031 has 4 divisors (see below), whose sum is σ = 18598712. Its totient is φ = 9299352.

The previous prime is 13949003. The next prime is 13949041. The reversal of 13949031 is 13094931.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13949031 - 2⁷ = 13948903 is a prime.

It is a super-2 number, since 2×13949031² = 389150931677922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13949031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13949041) 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 3 ways as a sum of consecutive naturals, for example, 2324836 + ... + 2324841.

It is an arithmetic number, because the mean of its divisors is an integer number (4649678).

Almost surely, 2^13949031 is an apocalyptic number.

13949031 is a deficient number, since it is larger than the sum of its proper divisors (4649681).

13949031 is an equidigital number, since it uses as much as digits as its factorization.

13949031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649680.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13949031 is about 3734.8401572223. The cubic root of 13949031 is about 240.7213885161.

The spelling of 13949031 in words is "thirteen million, nine hundred forty-nine thousand, thirty-one".