12632186449 has 9 divisors (see below), whose sum is σ = 12820709449. Its totient is φ = 12446400820.

The previous prime is 12632186417. The next prime is 12632186459. The reversal of 12632186449 is 94468123621.

The square root of 12632186449 is 112393.

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

It is not a de Polignac number, because 12632186449 - 2⁵ = 12632186417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12632186399 and 12632186408.

It is not an unprimeable number, because it can be changed into a prime (12632186459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7979112 + ... + 7980694.

Almost surely, 2^12632186449 is an apocalyptic number.

12632186449 is the 112393-rd square number.

12632186449 is the 56197-th centered octagonal number.

It is an amenable number.

12632186449 is a deficient number, since it is larger than the sum of its proper divisors (188523000).

12632186449 is an frugal number, since it uses more digits than its factorization.

12632186449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308 (or 1654 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The spelling of 12632186449 in words is "twelve billion, six hundred thirty-two million, one hundred eighty-six thousand, four hundred forty-nine".