11990697 has 8 divisors (see below), whose sum is σ = 16006656. Its totient is φ = 7984272.

The previous prime is 11990689. The next prime is 11990723. The reversal of 11990697 is 79609911.

11990697 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11990697 - 2³ = 11990689 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11990617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (2000832).

Almost surely, 2^11990697 is an apocalyptic number.

It is an amenable number.

11990697 is a deficient number, since it is larger than the sum of its proper divisors (4015959).

11990697 is a wasteful number, since it uses less digits than its factorization.

11990697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 11990697 is about 3462.7585824022. The cubic root of 11990697 is about 228.8836705677.

The spelling of 11990697 in words is "eleven million, nine hundred ninety thousand, six hundred ninety-seven".