13062312657 has 6 divisors (see below), whose sum is σ = 18867784962. Its totient is φ = 8708208432.

The previous prime is 13062312587. The next prime is 13062312671. The reversal of 13062312657 is 75621326031.

13062312657 is a `hidden beast` number, since 1 + 3 + 0 + 623 + 1 + 26 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10791885456 + 2270427201 = 103884^2 + 47649^2 .

It is not a de Polignac number, because 13062312657 - 2²³ = 13053924049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13062311657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725684028 + ... + 725684045.

It is an arithmetic number, because the mean of its divisors is an integer number (3144630827).

Almost surely, 2^13062312657 is an apocalyptic number.

It is an amenable number.

13062312657 is a deficient number, since it is larger than the sum of its proper divisors (5805472305).

13062312657 is a wasteful number, since it uses less digits than its factorization.

13062312657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451368079 (or 1451368076 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 13062312657 its reverse (75621326031), we get a palindrome (88683638688).

The spelling of 13062312657 in words is "thirteen billion, sixty-two million, three hundred twelve thousand, six hundred fifty-seven".