12547574273 has 8 divisors (see below), whose sum is σ = 13877982888. Its totient is φ = 11269338624.

The previous prime is 12547574233. The next prime is 12547574287. The reversal of 12547574273 is 37247574521.

It can be written as a sum of positive squares in 4 ways, for example, as 4283309809 + 8264264464 = 65447^2 + 90908^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12547574273 - 2²⁰ = 12546525697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12547574233) 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, 13042736 + ... + 13043697.

It is an arithmetic number, because the mean of its divisors is an integer number (1734747861).

Almost surely, 2^12547574273 is an apocalyptic number.

12547574273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12547574273 is a deficient number, since it is larger than the sum of its proper divisors (1330408615).

12547574273 is a wasteful number, since it uses less digits than its factorization.

12547574273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086483.

The product of its digits is 1646400, while the sum is 47.

The spelling of 12547574273 in words is "twelve billion, five hundred forty-seven million, five hundred seventy-four thousand, two hundred seventy-three".