12946566424 has 32 divisors (see below), whose sum is σ = 26800683840. Its totient is φ = 5813898400.

The previous prime is 12946566401. The next prime is 12946566469. The reversal of 12946566424 is 42466564921.

It is a super-2 number, since 2×12946566424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878962 + ... + 893569.

It is an arithmetic number, because the mean of its divisors is an integer number (837521370).

Almost surely, 2^12946566424 is an apocalyptic number.

It is an amenable number.

12946566424 is an abundant number, since it is smaller than the sum of its proper divisors (13854117416).

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

12946566424 is a wasteful number, since it uses less digits than its factorization.

12946566424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772631 (or 1772627 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 12946566424 in words is "twelve billion, nine hundred forty-six million, five hundred sixty-six thousand, four hundred twenty-four".