13949256 has 32 divisors (see below), whose sum is σ = 36000000. Its totient is φ = 4499520.

The previous prime is 13949251. The next prime is 13949263. The reversal of 13949256 is 65294931.

It is not an unprimeable number, because it can be changed into a prime (13949251) 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 7 ways as a sum of consecutive naturals, for example, 8631 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (1125000).

Almost surely, 2^13949256 is an apocalyptic number.

It is an amenable number.

13949256 is an abundant number, since it is smaller than the sum of its proper divisors (22050744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13949256 is a wasteful number, since it uses less digits than its factorization.

13949256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18789 (or 18785 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 13949256 is about 3734.8702788718. The cubic root of 13949256 is about 240.7226828001.

It can be divided in two parts, 1394925 and 6, that added together give a palindrome (1394931).

The spelling of 13949256 in words is "thirteen million, nine hundred forty-nine thousand, two hundred fifty-six".