11297513 has 2 divisors, whose sum is σ = 11297514. Its totient is φ = 11297512.

The previous prime is 11297491. The next prime is 11297527. The reversal of 11297513 is 31579211.

11297513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6135529 + 5161984 = 2477^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 11297513 - 2¹² = 11293417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11297593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5648756 + 5648757.

It is an arithmetic number, because the mean of its divisors is an integer number (5648757).

Almost surely, 2^11297513 is an apocalyptic number.

It is an amenable number.

11297513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11297513 is an equidigital number, since it uses as much as digits as its factorization.

11297513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 29.

The square root of 11297513 is about 3361.1773234984. The cubic root of 11297513 is about 224.3852387069.

The spelling of 11297513 in words is "eleven million, two hundred ninety-seven thousand, five hundred thirteen".