13939476 has 48 divisors (see below), whose sum is σ = 33539520. Its totient is φ = 4504320.

The previous prime is 13939469. The next prime is 13939481. The reversal of 13939476 is 67493931.

It is a congruent number.

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, 100215 + ... + 100353.

It is an arithmetic number, because the mean of its divisors is an integer number (698740).

Almost surely, 2^13939476 is an apocalyptic number.

It is an amenable number.

13939476 is an abundant number, since it is smaller than the sum of its proper divisors (19600044).

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

13939476 is a wasteful number, since it uses less digits than its factorization.

13939476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 13939476 is about 3733.5607668819. The cubic root of 13939476 is about 240.6664117403. Note that the first 3 decimals are identical.

The spelling of 13939476 in words is "thirteen million, nine hundred thirty-nine thousand, four hundred seventy-six".