11711994 has 32 divisors (see below), whose sum is σ = 26873856. Its totient is φ = 3333360.

The previous prime is 11711983. The next prime is 11712011. The reversal of 11711994 is 49911711.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17779 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (839808).

Almost surely, 2^11711994 is an apocalyptic number.

11711994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11711994 is an abundant number, since it is smaller than the sum of its proper divisors (15161862).

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

11711994 is a wasteful number, since it uses less digits than its factorization.

11711994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its digits is 2268, while the sum is 33.

The square root of 11711994 is about 3422.2790651845. The cubic root of 11711994 is about 227.0964160537.

The spelling of 11711994 in words is "eleven million, seven hundred eleven thousand, nine hundred ninety-four".