11992611 has 8 divisors (see below), whose sum is σ = 16009920. Its totient is φ = 7985192.

The previous prime is 11992609. The next prime is 11992619. The reversal of 11992611 is 11629911.

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

It is a cyclic number.

It is not a de Polignac number, because 11992611 - 2¹ = 11992609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11992619) 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, 1096 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (2001240).

Almost surely, 2^11992611 is an apocalyptic number.

11992611 is a deficient number, since it is larger than the sum of its proper divisors (4017309).

11992611 is a wasteful number, since it uses less digits than its factorization.

11992611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945.

The product of its digits is 972, while the sum is 30.

The square root of 11992611 is about 3463.0349406265. The cubic root of 11992611 is about 228.8958483429.

The spelling of 11992611 in words is "eleven million, nine hundred ninety-two thousand, six hundred eleven".