12725337605 has 8 divisors (see below), whose sum is σ = 15796971000. Its totient is φ = 9829226176.

The previous prime is 12725337523. The next prime is 12725337629. The reversal of 12725337605 is 50673352721.

It can be written as a sum of positive squares in 4 ways, for example, as 4026790849 + 8698546756 = 63457^2 + 93266^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12725337605 is a prime.

It is a super-2 number, since 2×12725337605² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43880330 + ... + 43880619.

It is an arithmetic number, because the mean of its divisors is an integer number (1974621375).

Almost surely, 2^12725337605 is an apocalyptic number.

It is an amenable number.

12725337605 is a deficient number, since it is larger than the sum of its proper divisors (3071633395).

12725337605 is an equidigital number, since it uses as much as digits as its factorization.

12725337605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87760983.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 12725337605 in words is "twelve billion, seven hundred twenty-five million, three hundred thirty-seven thousand, six hundred five".