11994091 has 2 divisors, whose sum is σ = 11994092. Its totient is φ = 11994090.

The previous prime is 11994089. The next prime is 11994097. The reversal of 11994091 is 19049911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11994091 - 2¹ = 11994089 is a prime.

Together with 11994089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11994097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5997045 + 5997046.

It is an arithmetic number, because the mean of its divisors is an integer number (5997046).

Almost surely, 2^11994091 is an apocalyptic number.

11994091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11994091 is an equidigital number, since it uses as much as digits as its factorization.

11994091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 11994091 is about 3463.2486194323. The cubic root of 11994091 is about 228.9052639161.

The spelling of 11994091 in words is "eleven million, nine hundred ninety-four thousand, ninety-one".