11412591 has 4 divisors (see below), whose sum is σ = 15216792. Its totient is φ = 7608392.

The previous prime is 11412571. The next prime is 11412617. The reversal of 11412591 is 19521411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11412591 - 2⁷ = 11412463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11412571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902096 + ... + 1902101.

It is an arithmetic number, because the mean of its divisors is an integer number (3804198).

Almost surely, 2^11412591 is an apocalyptic number.

11412591 is a deficient number, since it is larger than the sum of its proper divisors (3804201).

11412591 is an equidigital number, since it uses as much as digits as its factorization.

11412591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804200.

The product of its digits is 360, while the sum is 24.

The square root of 11412591 is about 3378.2526548498. The cubic root of 11412591 is about 225.1445392274.

The spelling of 11412591 in words is "eleven million, four hundred twelve thousand, five hundred ninety-one".