11992205 has 4 divisors (see below), whose sum is σ = 14390652. Its totient is φ = 9593760.

The previous prime is 11992193. The next prime is 11992217. The reversal of 11992205 is 50229911.

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

It is an interprime number because it is at equal distance from previous prime (11992193) and next prime (11992217).

It can be written as a sum of positive squares in 2 ways, for example, as 2019241 + 9972964 = 1421^2 + 3158^2 .

It is not a de Polignac number, because 11992205 - 2¹⁶ = 11926669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199216 + ... + 1199225.

It is an arithmetic number, because the mean of its divisors is an integer number (3597663).

Almost surely, 2^11992205 is an apocalyptic number.

It is an amenable number.

11992205 is a deficient number, since it is larger than the sum of its proper divisors (2398447).

11992205 is an equidigital number, since it uses as much as digits as its factorization.

11992205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398446.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 11992205 is about 3462.9763210279. The cubic root of 11992205 is about 228.8932652867.

The spelling of 11992205 in words is "eleven million, nine hundred ninety-two thousand, two hundred five".