11922961 has 8 divisors (see below), whose sum is σ = 12090080. Its totient is φ = 11757312.

The previous prime is 11922943. The next prime is 11922979. The reversal of 11922961 is 16922911.

11922961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11922943) and next prime (11922979).

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

It is a 8-Lehmer number, since φ(11922961) divides (11922961-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 11922961 - 2¹¹ = 11920913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11922931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31270 + ... + 31648.

It is an arithmetic number, because the mean of its divisors is an integer number (1511260).

Almost surely, 2^11922961 is an apocalyptic number.

It is an amenable number.

11922961 is a deficient number, since it is larger than the sum of its proper divisors (167119).

11922961 is a wasteful number, since it uses less digits than its factorization.

11922961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735.

The product of its digits is 1944, while the sum is 31.

The square root of 11922961 is about 3452.9640890111. The cubic root of 11922961 is about 228.4518649795.

The spelling of 11922961 in words is "eleven million, nine hundred twenty-two thousand, nine hundred sixty-one".