11700657 has 6 divisors (see below), whose sum is σ = 16900962. Its totient is φ = 7800432.

The previous prime is 11700653. The next prime is 11700677. The reversal of 11700657 is 75600711.

11700657 is a `hidden beast` number, since 1 + 1 + 7 + 0 + 0 + 657 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 147456 = 3399^2 + 384^2 .

It is not a de Polignac number, because 11700657 - 2² = 11700653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11700657.

It is not an unprimeable number, because it can be changed into a prime (11700653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650028 + ... + 650045.

It is an arithmetic number, because the mean of its divisors is an integer number (2816827).

Almost surely, 2^11700657 is an apocalyptic number.

It is an amenable number.

11700657 is a deficient number, since it is larger than the sum of its proper divisors (5200305).

11700657 is a wasteful number, since it uses less digits than its factorization.

11700657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300079 (or 1300076 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 11700657 is about 3420.6223118023. The cubic root of 11700657 is about 227.0231173129.

The spelling of 11700657 in words is "eleven million, seven hundred thousand, six hundred fifty-seven".