12404375527 has 4 divisors (see below), whose sum is σ = 12614619240. Its totient is φ = 12194131816.

The previous prime is 12404375497. The next prime is 12404375561. The reversal of 12404375527 is 72557340421.

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

It is a cyclic number.

It is not a de Polignac number, because 12404375527 - 2²⁷ = 12270157799 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12404375527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404375597) 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, 105121768 + ... + 105121885.

It is an arithmetic number, because the mean of its divisors is an integer number (3153654810).

Almost surely, 2^12404375527 is an apocalyptic number.

12404375527 is a deficient number, since it is larger than the sum of its proper divisors (210243713).

12404375527 is an equidigital number, since it uses as much as digits as its factorization.

12404375527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210243712.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 12404375527 in words is "twelve billion, four hundred four million, three hundred seventy-five thousand, five hundred twenty-seven".