13929744 has 40 divisors (see below), whose sum is σ = 37229760. Its totient is φ = 4482688.

The previous prime is 13929739. The next prime is 13929761. The reversal of 13929744 is 44792931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3612 + ... + 6395.

It is an arithmetic number, because the mean of its divisors is an integer number (930744).

Almost surely, 2^13929744 is an apocalyptic number.

It is an amenable number.

13929744 is an abundant number, since it is smaller than the sum of its proper divisors (23300016).

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

13929744 is a wasteful number, since it uses less digits than its factorization.

13929744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10047 (or 10041 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 13929744 is about 3732.2572258621. The cubic root of 13929744 is about 240.6103907249.

The spelling of 13929744 in words is "thirteen million, nine hundred twenty-nine thousand, seven hundred forty-four".