12641854096 has 15 divisors (see below), whose sum is σ = 24494463721. Its totient is φ = 6320702176.

The previous prime is 12641854091. The next prime is 12641854103. The reversal of 12641854096 is 69045814621.

It is a happy number.

The square root of 12641854096 is 112436.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 44036496 + 12597817600 = 6636^2 + 112240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641854091) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 435690 + ... + 463798.

Almost surely, 2^12641854096 is an apocalyptic number.

12641854096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12641854096 is the 112436-th square number.

It is an amenable number.

12641854096 is a deficient number, since it is larger than the sum of its proper divisors (11852609625).

12641854096 is an frugal number, since it uses more digits than its factorization.

12641854096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56226 (or 28111 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 12641854096 in words is "twelve billion, six hundred forty-one million, eight hundred fifty-four thousand, ninety-six".