12547437675 has 24 divisors (see below), whose sum is σ = 21007703040. Its totient is φ = 6607255200.

The previous prime is 12547437653. The next prime is 12547437689. The reversal of 12547437675 is 57673474521.

It is not a de Polignac number, because 12547437675 - 2¹⁶ = 12547372139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1052931 + ... + 1064780.

It is an arithmetic number, because the mean of its divisors is an integer number (875320960).

Almost surely, 2^12547437675 is an apocalyptic number.

12547437675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12547437675 is a deficient number, since it is larger than the sum of its proper divisors (8460265365).

12547437675 is a wasteful number, since it uses less digits than its factorization.

12547437675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117803 (or 2117798 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 51.

The spelling of 12547437675 in words is "twelve billion, five hundred forty-seven million, four hundred thirty-seven thousand, six hundred seventy-five".