11700997 has 16 divisors (see below), whose sum is σ = 15224832. Its totient is φ = 8719920.

The previous prime is 11700989. The next prime is 11701003. The reversal of 11700997 is 79900711.

It is a happy number.

It is not a de Polignac number, because 11700997 - 2³ = 11700989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11700907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (951552).

Almost surely, 2^11700997 is an apocalyptic number.

It is an amenable number.

11700997 is a deficient number, since it is larger than the sum of its proper divisors (3523835).

11700997 is a wasteful number, since it uses less digits than its factorization.

11700997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 11700997 is about 3420.6720100004. The cubic root of 11700997 is about 227.0253162525.

The spelling of 11700997 in words is "eleven million, seven hundred thousand, nine hundred ninety-seven".