12786825733 has 4 divisors (see below), whose sum is σ = 13949264448. Its totient is φ = 11624387020.

The previous prime is 12786825683. The next prime is 12786825761. The reversal of 12786825733 is 33752868721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12786825733 - 2⁹ = 12786825221 is a prime.

It is a super-2 number, since 2×12786825733² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12786825433) 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, 581219341 + ... + 581219362.

It is an arithmetic number, because the mean of its divisors is an integer number (3487316112).

Almost surely, 2^12786825733 is an apocalyptic number.

It is an amenable number.

12786825733 is a deficient number, since it is larger than the sum of its proper divisors (1162438715).

12786825733 is a wasteful number, since it uses less digits than its factorization.

12786825733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162438714.

The product of its digits is 3386880, while the sum is 52.

The spelling of 12786825733 in words is "twelve billion, seven hundred eighty-six million, eight hundred twenty-five thousand, seven hundred thirty-three".