12725147513 has 16 divisors (see below), whose sum is σ = 14527835280. Its totient is φ = 11041837056.

The previous prime is 12725147483. The next prime is 12725147527. The reversal of 12725147513 is 31574152721.

It can be written as a sum of positive squares in 8 ways, for example, as 644499769 + 12080647744 = 25387^2 + 109912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12725147513 is a prime.

It is a super-2 number, since 2×12725147513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12725143513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148481 + ... + 217937.

It is an arithmetic number, because the mean of its divisors is an integer number (907989705).

Almost surely, 2^12725147513 is an apocalyptic number.

12725147513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12725147513 is a deficient number, since it is larger than the sum of its proper divisors (1802687767).

12725147513 is a wasteful number, since it uses less digits than its factorization.

12725147513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70316.

The product of its digits is 58800, while the sum is 38.

The spelling of 12725147513 in words is "twelve billion, seven hundred twenty-five million, one hundred forty-seven thousand, five hundred thirteen".