12774650625 has 135 divisors (see below), whose sum is σ = 25531048543. Its totient is φ = 6148560000.

The previous prime is 12774650611. The next prime is 12774650653. The reversal of 12774650625 is 52605647721.

The square root of 12774650625 is 113025.

It is a perfect power (a square), and thus also a powerful number.

12774650625 is a `hidden beast` number, since 12 + 7 + 7 + 4 + 6 + 5 + 0 + 625 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 8826790401 + 3947860224 = 93951^2 + 62832^2 .

It is not a de Polignac number, because 12774650625 - 2¹⁷ = 12774519553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 93245557 + ... + 93245693.

Almost surely, 2^12774650625 is an apocalyptic number.

12774650625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12774650625 is the 113025-th square number.

12774650625 is the 56513-rd centered octagonal number.

It is an amenable number.

12774650625 is a deficient number, since it is larger than the sum of its proper divisors (12756397918).

12774650625 is an equidigital number, since it uses as much as digits as its factorization.

12774650625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 12774650625 in words is "twelve billion, seven hundred seventy-four million, six hundred fifty thousand, six hundred twenty-five".