11992838 has 32 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 4764960.

The previous prime is 11992831. The next prime is 11992853. The reversal of 11992838 is 83829911.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11992795 and 11992804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992831) 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, 4331 + ... + 6537.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 2^11992838 is an apocalyptic number.

11992838 is a deficient number, since it is larger than the sum of its proper divisors (10263802).

11992838 is a wasteful number, since it uses less digits than its factorization.

11992838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its digits is 31104, while the sum is 41.

The square root of 11992838 is about 3463.0677151913. The cubic root of 11992838 is about 228.8972925385.

The spelling of 11992838 in words is "eleven million, nine hundred ninety-two thousand, eight hundred thirty-eight".