12772637037 has 20 divisors (see below), whose sum is σ = 19176989436. Its totient is φ = 8471856960.

The previous prime is 12772637029. The next prime is 12772637039. The reversal of 12772637037 is 73073627721.

12772637037 is a `hidden beast` number, since 1 + 2 + 7 + 7 + 2 + 637 + 0 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8872509636 + 3900127401 = 94194^2 + 62451^2 .

It is not a de Polignac number, because 12772637037 - 2³ = 12772637029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12772636983 and 12772637001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772637039) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 384264 + ... + 416177.

Almost surely, 2^12772637037 is an apocalyptic number.

It is an amenable number.

12772637037 is a deficient number, since it is larger than the sum of its proper divisors (6404352399).

12772637037 is an equidigital number, since it uses as much as digits as its factorization.

12772637037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800650 (or 800641 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 45.

The spelling of 12772637037 in words is "twelve billion, seven hundred seventy-two million, six hundred thirty-seven thousand, thirty-seven".