11657047 has 2 divisors, whose sum is σ = 11657048. Its totient is φ = 11657046.

The previous prime is 11657029. The next prime is 11657083. The reversal of 11657047 is 74075611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11657047 - 2²³ = 3268439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828523 + 5828524.

It is an arithmetic number, because the mean of its divisors is an integer number (5828524).

Almost surely, 2^11657047 is an apocalyptic number.

11657047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657047 is an equidigital number, since it uses as much as digits as its factorization.

11657047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 11657047 is about 3414.2417899147. The cubic root of 11657047 is about 226.7407171070.

The spelling of 11657047 in words is "eleven million, six hundred fifty-seven thousand, forty-seven".