11332991 has 2 divisors, whose sum is σ = 11332992. Its totient is φ = 11332990.

The previous prime is 11332967. The next prime is 11333009. The reversal of 11332991 is 19923311.

11332991 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is an emirp because it is prime and its reverse (19923311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11332991 - 2⁶ = 11332927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11332921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666495 + 5666496.

It is an arithmetic number, because the mean of its divisors is an integer number (5666496).

Almost surely, 2^11332991 is an apocalyptic number.

11332991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11332991 is an equidigital number, since it uses as much as digits as its factorization.

11332991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458, while the sum is 29.

The square root of 11332991 is about 3366.4508016604. The cubic root of 11332991 is about 224.6198750341.

The spelling of 11332991 in words is "eleven million, three hundred thirty-two thousand, nine hundred ninety-one".