12464397696 has 32 divisors (see below), whose sum is σ = 33108557400. Its totient is φ = 4154799104.

The previous prime is 12464397641. The next prime is 12464397703. The reversal of 12464397696 is 69679346421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×12464397696² (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 3 ways as a sum of consecutive naturals, for example, 16229301 + ... + 16230068.

Almost surely, 2^12464397696 is an apocalyptic number.

12464397696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12464397696 is an abundant number, since it is smaller than the sum of its proper divisors (20644159704).

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

12464397696 is an equidigital number, since it uses as much as digits as its factorization.

12464397696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32459386 (or 32459374 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 57.

The spelling of 12464397696 in words is "twelve billion, four hundred sixty-four million, three hundred ninety-seven thousand, six hundred ninety-six".