13986724 has 12 divisors (see below), whose sum is σ = 24576048. Its totient is φ = 6965000.

The previous prime is 13986697. The next prime is 13986743. The reversal of 13986724 is 42768931.

It is a super-3 number, since 3×13986724³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

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, 5962 + ... + 7969.

It is an arithmetic number, because the mean of its divisors is an integer number (2048004).

Almost surely, 2^13986724 is an apocalyptic number.

It is an amenable number.

13986724 is a deficient number, since it is larger than the sum of its proper divisors (10589324).

13986724 is a wasteful number, since it uses less digits than its factorization.

13986724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14186 (or 14184 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 13986724 is about 3739.8828858669. The cubic root of 13986724 is about 240.9380188743.

The spelling of 13986724 in words is "thirteen million, nine hundred eighty-six thousand, seven hundred twenty-four".