11699257 has 2 divisors, whose sum is σ = 11699258. Its totient is φ = 11699256.

The previous prime is 11699243. The next prime is 11699263. The reversal of 11699257 is 75299611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9126441 + 2572816 = 3021^2 + 1604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11699257 is a prime.

It is a super-2 number, since 2×11699257² = 273745228704098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11699357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849628 + 5849629.

It is an arithmetic number, because the mean of its divisors is an integer number (5849629).

Almost surely, 2^11699257 is an apocalyptic number.

It is an amenable number.

11699257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11699257 is an equidigital number, since it uses as much as digits as its factorization.

11699257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 40.

The square root of 11699257 is about 3420.4176645550. The cubic root of 11699257 is about 227.0140624071.

The spelling of 11699257 in words is "eleven million, six hundred ninety-nine thousand, two hundred fifty-seven".