13987005244 has 6 divisors (see below), whose sum is σ = 24477259184. Its totient is φ = 6993502620.

The previous prime is 13987005223. The next prime is 13987005257. The reversal of 13987005244 is 44250078931.

It is a self number, because there is not a number n which added to its sum of digits gives 13987005244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748375652 + ... + 1748375659.

Almost surely, 2^13987005244 is an apocalyptic number.

It is an amenable number.

13987005244 is a deficient number, since it is larger than the sum of its proper divisors (10490253940).

13987005244 is a wasteful number, since it uses less digits than its factorization.

13987005244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496751315 (or 3496751313 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 13987005244 in words is "thirteen billion, nine hundred eighty-seven million, five thousand, two hundred forty-four".