13300657 has 2 divisors, whose sum is σ = 13300658. Its totient is φ = 13300656.

The previous prime is 13300633. The next prime is 13300697. The reversal of 13300657 is 75600331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13133376 + 167281 = 3624^2 + 409^2 .

It is an emirp because it is prime and its reverse (75600331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13300657 is a prime.

It is not a weakly prime, because it can be changed into another prime (13300607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6650328 + 6650329.

It is an arithmetic number, because the mean of its divisors is an integer number (6650329).

Almost surely, 2^13300657 is an apocalyptic number.

It is an amenable number.

13300657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13300657 is an equidigital number, since it uses as much as digits as its factorization.

13300657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 13300657 is about 3647.0065807454. The cubic root of 13300657 is about 236.9323514545.

Adding to 13300657 its reverse (75600331), we get a palindrome (88900988).

The spelling of 13300657 in words is "thirteen million, three hundred thousand, six hundred fifty-seven".