11992655 has 8 divisors (see below), whose sum is σ = 14409792. Its totient is φ = 9581728.

The previous prime is 11992649. The next prime is 11992679. The reversal of 11992655 is 55629911.

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 11992655 - 2¹⁰ = 11991631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6629 + ... + 8241.

It is an arithmetic number, because the mean of its divisors is an integer number (1801224).

Almost surely, 2^11992655 is an apocalyptic number.

11992655 is a deficient number, since it is larger than the sum of its proper divisors (2417137).

11992655 is a wasteful number, since it uses less digits than its factorization.

11992655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105.

The product of its digits is 24300, while the sum is 38.

The square root of 11992655 is about 3463.0412934298. The cubic root of 11992655 is about 228.8961282765.

The spelling of 11992655 in words is "eleven million, nine hundred ninety-two thousand, six hundred fifty-five".