11992207 has 4 divisors (see below), whose sum is σ = 12115936. Its totient is φ = 11868480.

The previous prime is 11992193. The next prime is 11992217. The reversal of 11992207 is 70229911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11992207 - 2¹⁵ = 11959439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61719 + ... + 61912.

It is an arithmetic number, because the mean of its divisors is an integer number (3028984).

Almost surely, 2^11992207 is an apocalyptic number.

11992207 is a deficient number, since it is larger than the sum of its proper divisors (123729).

11992207 is an equidigital number, since it uses as much as digits as its factorization.

11992207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123728.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11992207 is about 3462.9766097968. The cubic root of 11992207 is about 228.8932780113.

The spelling of 11992207 in words is "eleven million, nine hundred ninety-two thousand, two hundred seven".