11893657 has 2 divisors, whose sum is σ = 11893658. Its totient is φ = 11893656.

The previous prime is 11893643. The next prime is 11893667. The reversal of 11893657 is 75639811.

11893657 is nontrivially palindromic in base 11.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9865881 + 2027776 = 3141^2 + 1424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11893657 is a prime.

It is not a weakly prime, because it can be changed into another prime (11893667) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946828 + 5946829.

It is an arithmetic number, because the mean of its divisors is an integer number (5946829).

Almost surely, 2^11893657 is an apocalyptic number.

It is an amenable number.

11893657 is a deficient number, since it is larger than the sum of its proper divisors (1).

11893657 is an equidigital number, since it uses as much as digits as its factorization.

11893657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 11893657 is about 3448.7181676675. The cubic root of 11893657 is about 228.2645500575.

The spelling of 11893657 in words is "eleven million, eight hundred ninety-three thousand, six hundred fifty-seven".