12713207236 has 6 divisors (see below), whose sum is σ = 22248112670. Its totient is φ = 6356603616.

The previous prime is 12713207209. The next prime is 12713207303. The reversal of 12713207236 is 63270231721.

It can be written as a sum of positive squares in only one way, i.e., 12047257600 + 665949636 = 109760^2 + 25806^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1589150901 + ... + 1589150908.

Almost surely, 2^12713207236 is an apocalyptic number.

It is an amenable number.

12713207236 is a deficient number, since it is larger than the sum of its proper divisors (9534905434).

12713207236 is a wasteful number, since it uses less digits than its factorization.

12713207236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178301813 (or 3178301811 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

Adding to 12713207236 its reverse (63270231721), we get a palindrome (75983438957).

The spelling of 12713207236 in words is "twelve billion, seven hundred thirteen million, two hundred seven thousand, two hundred thirty-six".