13912947724 has 12 divisors (see below), whose sum is σ = 26220555424. Its totient is φ = 6421360464.

The previous prime is 13912947721. The next prime is 13912947793. The reversal of 13912947724 is 42774921931.

13912947724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13912947724² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13912947721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133778292 + ... + 133778395.

Almost surely, 2^13912947724 is an apocalyptic number.

It is an amenable number.

13912947724 is a deficient number, since it is larger than the sum of its proper divisors (12307607700).

13912947724 is a wasteful number, since it uses less digits than its factorization.

13912947724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267556704 (or 267556702 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The spelling of 13912947724 in words is "thirteen billion, nine hundred twelve million, nine hundred forty-seven thousand, seven hundred twenty-four".