12672857527 has 4 divisors (see below), whose sum is σ = 13824935496. Its totient is φ = 11520779560.

The previous prime is 12672857503. The next prime is 12672857551. The reversal of 12672857527 is 72575827621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72575827621 = 11 ⋅6597802511.

It is an interprime number because it is at equal distance from previous prime (12672857503) and next prime (12672857551).

It is a cyclic number.

It is not a de Polignac number, because 12672857527 - 2⁷ = 12672857399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12672857027) 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, 576038968 + ... + 576038989.

It is an arithmetic number, because the mean of its divisors is an integer number (3456233874).

Almost surely, 2^12672857527 is an apocalyptic number.

12672857527 is a deficient number, since it is larger than the sum of its proper divisors (1152077969).

12672857527 is a wasteful number, since it uses less digits than its factorization.

12672857527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152077968.

The product of its digits is 3292800, while the sum is 52.

The spelling of 12672857527 in words is "twelve billion, six hundred seventy-two million, eight hundred fifty-seven thousand, five hundred twenty-seven".