13987074272 has 24 divisors (see below), whose sum is σ = 28734317136. Its totient is φ = 6689469952.

The previous prime is 13987074259. The next prime is 13987074289. The reversal of 13987074272 is 27247078931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13987074272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9501353 + ... + 9502824.

It is an arithmetic number, because the mean of its divisors is an integer number (1197263214).

Almost surely, 2^13987074272 is an apocalyptic number.

It is an amenable number.

13987074272 is an abundant number, since it is smaller than the sum of its proper divisors (14747242864).

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

13987074272 is a wasteful number, since it uses less digits than its factorization.

13987074272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004210 (or 19004202 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 13987074272 in words is "thirteen billion, nine hundred eighty-seven million, seventy-four thousand, two hundred seventy-two".