12940913769 has 24 divisors (see below), whose sum is σ = 20538413280. Its totient is φ = 7222832064.

The previous prime is 12940913677. The next prime is 12940913771. The reversal of 12940913769 is 96731904921.

It is not a de Polignac number, because 12940913769 - 2⁷ = 12940913641 is a prime.

It is a super-2 number, since 2×12940913769² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12940913779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017324 + ... + 1029965.

It is an arithmetic number, because the mean of its divisors is an integer number (855767220).

Almost surely, 2^12940913769 is an apocalyptic number.

It is an amenable number.

12940913769 is a deficient number, since it is larger than the sum of its proper divisors (7597499511).

12940913769 is a wasteful number, since it uses less digits than its factorization.

12940913769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047349 (or 2047342 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 12940913769 in words is "twelve billion, nine hundred forty million, nine hundred thirteen thousand, seven hundred sixty-nine".