12496109796 has 81 divisors (see below), whose sum is σ = 32693604489. Its totient is φ = 4024296000.

The previous prime is 12496109749. The next prime is 12496109803. The reversal of 12496109796 is 69790169421.

It is a happy number.

The square root of 12496109796 is 111786.

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

12496109796 is a `hidden beast` number, since 12 + 4 + 9 + 610 + 9 + 7 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10503380196 + 1992729600 = 102486^2 + 44640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20791896 + ... + 20792496.

Almost surely, 2^12496109796 is an apocalyptic number.

12496109796 is the 111786-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12496109796

12496109796 is an abundant number, since it is smaller than the sum of its proper divisors (20197494693).

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

12496109796 is an equidigital number, since it uses as much as digits as its factorization.

12496109796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 12496109796 in words is "twelve billion, four hundred ninety-six million, one hundred nine thousand, seven hundred ninety-six".