1296236679632 has 20 divisors (see below), whose sum is σ = 2511533224800. Its totient is φ = 648099073248.

The previous prime is 1296236679559. The next prime is 1296236679637. The reversal of 1296236679632 is 2369766326921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296236679637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641132 + ... + 1733067.

It is an arithmetic number, because the mean of its divisors is an integer number (125576661240).

Almost surely, 2^{1296236679632} is an apocalyptic number.

It is an amenable number.

1296236679632 is a deficient number, since it is larger than the sum of its proper divisors (1215296545168).

1296236679632 is a wasteful number, since it uses less digits than its factorization.

1296236679632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408330 (or 2408324 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 62.

The spelling of 1296236679632 in words is "one trillion, two hundred ninety-six billion, two hundred thirty-six million, six hundred seventy-nine thousand, six hundred thirty-two".