13998772 has 24 divisors (see below), whose sum is σ = 25062912. Its totient is φ = 6840000.

The previous prime is 13998737. The next prime is 13998773. The reversal of 13998772 is 27789931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13998773) 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, 55647 + ... + 55897.

It is an arithmetic number, because the mean of its divisors is an integer number (1044288).

Almost surely, 2^13998772 is an apocalyptic number.

It is an amenable number.

13998772 is a deficient number, since it is larger than the sum of its proper divisors (11064140).

13998772 is a wasteful number, since it uses less digits than its factorization.

13998772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its digits is 190512, while the sum is 46.

The square root of 13998772 is about 3741.4932847728. The cubic root of 13998772 is about 241.0071794146.

The spelling of 13998772 in words is "thirteen million, nine hundred ninety-eight thousand, seven hundred seventy-two".