11922660 has 48 divisors (see below), whose sum is σ = 37094400. Its totient is φ = 3179232.

The previous prime is 11922649. The next prime is 11922667. The reversal of 11922660 is 6622911.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11922667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10500 + ... + 11579.

It is an arithmetic number, because the mean of its divisors is an integer number (772800).

Almost surely, 2^11922660 is an apocalyptic number.

11922660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11922660 is an abundant number, since it is smaller than the sum of its proper divisors (25171740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11922660 is a wasteful number, since it uses less digits than its factorization.

11922660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22097 (or 22089 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11922660 is about 3452.9205029945. The cubic root of 11922660 is about 228.4499425099.

The spelling of 11922660 in words is "eleven million, nine hundred twenty-two thousand, six hundred sixty".