13724988 has 12 divisors (see below), whose sum is σ = 32025000. Its totient is φ = 4574992.

The previous prime is 13724983. The next prime is 13724989. The reversal of 13724988 is 88942731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13724983) 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, 571863 + ... + 571886.

It is an arithmetic number, because the mean of its divisors is an integer number (2668750).

Almost surely, 2^13724988 is an apocalyptic number.

It is an amenable number.

13724988 is an abundant number, since it is smaller than the sum of its proper divisors (18300012).

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

13724988 is a wasteful number, since it uses less digits than its factorization.

13724988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143756 (or 1143754 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 13724988 is about 3704.7250910155. The cubic root of 13724988 is about 239.4256404483.

The spelling of 13724988 in words is "thirteen million, seven hundred twenty-four thousand, nine hundred eighty-eight".