12833491225 has 27 divisors (see below), whose sum is σ = 16127778303. Its totient is φ = 10130397840.

The previous prime is 12833491213. The next prime is 12833491243. The reversal of 12833491225 is 52219433821.

The square root of 12833491225 is 113285.

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., 4620056841 + 8213434384 = 67971^2 + 90628^2 .

It is not a de Polignac number, because 12833491225 - 2¹¹ = 12833489177 is a prime.

It is a Duffinian number.

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, 78732994 + ... + 78733156.

Almost surely, 2^12833491225 is an apocalyptic number.

12833491225 is the 113285-th square number.

12833491225 is the 56643-rd centered octagonal number.

It is an amenable number.

12833491225 is a deficient number, since it is larger than the sum of its proper divisors (3294287078).

12833491225 is an frugal number, since it uses more digits than its factorization.

12833491225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 307 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 12833491225 in words is "twelve billion, eight hundred thirty-three million, four hundred ninety-one thousand, two hundred twenty-five".