12747293537 has 8 divisors (see below), whose sum is σ = 13907106432. Its totient is φ = 11587642000.

The previous prime is 12747293501. The next prime is 12747293551. The reversal of 12747293537 is 73539274721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12747293537 - 2¹⁶ = 12747228001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12747203537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174728 + ... + 236694.

It is an arithmetic number, because the mean of its divisors is an integer number (1738388304).

Almost surely, 2^12747293537 is an apocalyptic number.

It is an amenable number.

12747293537 is a deficient number, since it is larger than the sum of its proper divisors (1159812895).

12747293537 is a wasteful number, since it uses less digits than its factorization.

12747293537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80679.

The product of its digits is 2222640, while the sum is 50.

The spelling of 12747293537 in words is "twelve billion, seven hundred forty-seven million, two hundred ninety-three thousand, five hundred thirty-seven".