12653565430 has 32 divisors (see below), whose sum is σ = 25648524288. Its totient is φ = 4452866400.

The previous prime is 12653565403. The next prime is 12653565467. The reversal of 12653565430 is 3456535621.

It is a super-2 number, since 2×12653565430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851952 + ... + 1858771.

It is an arithmetic number, because the mean of its divisors is an integer number (801516384).

Almost surely, 2^12653565430 is an apocalyptic number.

12653565430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12653565430 is an abundant number, since it is smaller than the sum of its proper divisors (12994958858).

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

12653565430 is a wasteful number, since it uses less digits than its factorization.

12653565430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710772.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 12653565430 in words is "twelve billion, six hundred fifty-three million, five hundred sixty-five thousand, four hundred thirty".