12734672531 has 8 divisors (see below), whose sum is σ = 15055770720. Its totient is φ = 10539039168.

The previous prime is 12734672479. The next prime is 12734672597. The reversal of 12734672531 is 13527643721.

It is a happy number.

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

It is not a de Polignac number, because 12734672531 - 2³⁰ = 11660930707 is a prime.

It is a super-2 number, since 2×12734672531² (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 (12734672831) 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, 31365986 + ... + 31366391.

It is an arithmetic number, because the mean of its divisors is an integer number (1881971340).

Almost surely, 2^12734672531 is an apocalyptic number.

12734672531 is a deficient number, since it is larger than the sum of its proper divisors (2321098189).

12734672531 is an equidigital number, since it uses as much as digits as its factorization.

12734672531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62732413.

The product of its digits is 211680, while the sum is 41.

The spelling of 12734672531 in words is "twelve billion, seven hundred thirty-four million, six hundred seventy-two thousand, five hundred thirty-one".