12524967738 has 64 divisors (see below), whose sum is σ = 29050358400. Its totient is φ = 3996270720.

The previous prime is 12524967733. The next prime is 12524967743. The reversal of 12524967738 is 83776942521.

It is a happy number.

12524967738 is a `hidden beast` number, since 1 + 2 + 52 + 496 + 77 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (12524967733) and next prime (12524967743).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12524967733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63973 + ... + 170711.

It is an arithmetic number, because the mean of its divisors is an integer number (453911850).

Almost surely, 2^12524967738 is an apocalyptic number.

12524967738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12524967738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14525179200).

12524967738 is an abundant number, since it is smaller than the sum of its proper divisors (16525390662).

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

12524967738 is a wasteful number, since it uses less digits than its factorization.

12524967738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106844 (or 106838 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 12524967738 in words is "twelve billion, five hundred twenty-four million, nine hundred sixty-seven thousand, seven hundred thirty-eight".