12389132574 has 320 divisors, whose sum is σ = 36297676800. Its totient is φ = 3069031680.

The previous prime is 12389132573. The next prime is 12389132599. The reversal of 12389132574 is 47523198321.

It is a happy number.

12389132574 is a `hidden beast` number, since 1 + 2 + 389 + 13 + 257 + 4 = 666.

12389132574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12389132574² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12389132573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 20682727 + ... + 20683325.

It is an arithmetic number, because the mean of its divisors is an integer number (113430240).

Almost surely, 2^12389132574 is an apocalyptic number.

12389132574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12389132574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18148838400).

12389132574 is an abundant number, since it is smaller than the sum of its proper divisors (23908544226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12389132574 is a wasteful number, since it uses less digits than its factorization.

12389132574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 708 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 12389132574 in words is "twelve billion, three hundred eighty-nine million, one hundred thirty-two thousand, five hundred seventy-four".