13759987212 has 96 divisors (see below), whose sum is σ = 36028375040. Its totient is φ = 4541261760.

The previous prime is 13759987159. The next prime is 13759987217. The reversal of 13759987212 is 21278995731.

It is a happy number.

13759987212 is a `hidden beast` number, since 1 + 37 + 599 + 8 + 7 + 2 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (13759987217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11123058 + ... + 11124294.

Almost surely, 2^13759987212 is an apocalyptic number.

13759987212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13759987212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18014187520).

13759987212 is an abundant number, since it is smaller than the sum of its proper divisors (22268387828).

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

13759987212 is a wasteful number, since it uses less digits than its factorization.

13759987212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2180 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 13759987212 in words is "thirteen billion, seven hundred fifty-nine million, nine hundred eighty-seven thousand, two hundred twelve".