12747535331 has 4 divisors (see below), whose sum is σ = 12759528432. Its totient is φ = 12735542232.

The previous prime is 12747535319. The next prime is 12747535343. The reversal of 12747535331 is 13353574721.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12747535319) and next prime (12747535343).

It is a cyclic number.

It is not a de Polignac number, because 12747535331 - 2⁶ = 12747535267 is a prime.

It is a super-2 number, since 2×12747535331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12747535351) 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, 5994956 + ... + 5997081.

It is an arithmetic number, because the mean of its divisors is an integer number (3189882108).

Almost surely, 2^12747535331 is an apocalyptic number.

12747535331 is a deficient number, since it is larger than the sum of its proper divisors (11993101).

12747535331 is a wasteful number, since it uses less digits than its factorization.

12747535331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993100.

The product of its digits is 264600, while the sum is 41.

The spelling of 12747535331 in words is "twelve billion, seven hundred forty-seven million, five hundred thirty-five thousand, three hundred thirty-one".