11905996 has 24 divisors (see below), whose sum is σ = 21934080. Its totient is φ = 5643792.

The previous prime is 11905991. The next prime is 11906003. The reversal of 11905996 is 69950911.

It is not an unprimeable number, because it can be changed into a prime (11905991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11175 + ... + 12193.

It is an arithmetic number, because the mean of its divisors is an integer number (913920).

Almost surely, 2^11905996 is an apocalyptic number.

It is an amenable number.

11905996 is a deficient number, since it is larger than the sum of its proper divisors (10028084).

11905996 is a wasteful number, since it uses less digits than its factorization.

11905996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 11905996 is about 3450.5066294676. The cubic root of 11905996 is about 228.3434599850.

The spelling of 11905996 in words is "eleven million, nine hundred five thousand, nine hundred ninety-six".