11244991 has 4 divisors (see below), whose sum is σ = 11251800. Its totient is φ = 11238184.

The previous prime is 11244983. The next prime is 11244997. The reversal of 11244991 is 19944211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19944211 = 7 ⋅2849173.

It is a cyclic number.

It is not a de Polignac number, because 11244991 - 2³ = 11244983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (2812950).

Almost surely, 2^11244991 is an apocalyptic number.

11244991 is a deficient number, since it is larger than the sum of its proper divisors (6809).

11244991 is an equidigital number, since it uses as much as digits as its factorization.

11244991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808.

The product of its digits is 2592, while the sum is 31.

The square root of 11244991 is about 3353.3551854821. The cubic root of 11244991 is about 224.0369770483.

The spelling of 11244991 in words is "eleven million, two hundred forty-four thousand, nine hundred ninety-one".