13988712 has 32 divisors (see below), whose sum is σ = 36813600. Its totient is φ = 4417344.

The previous prime is 13988687. The next prime is 13988713. The reversal of 13988712 is 21788931.

It is not an unprimeable number, because it can be changed into a prime (13988713) 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 7 ways as a sum of consecutive naturals, for example, 14883 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (1150425).

Almost surely, 2^13988712 is an apocalyptic number.

13988712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13988712 is an abundant number, since it is smaller than the sum of its proper divisors (22824888).

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

13988712 is a wasteful number, since it uses less digits than its factorization.

13988712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30705 (or 30701 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 13988712 is about 3740.1486601471. The cubic root of 13988712 is about 240.9494335580.

The spelling of 13988712 in words is "thirteen million, nine hundred eighty-eight thousand, seven hundred twelve".