11593391 has 2 divisors, whose sum is σ = 11593392. Its totient is φ = 11593390.

The previous prime is 11593333. The next prime is 11593397. The reversal of 11593391 is 19339511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11593391 - 2¹⁸ = 11331247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11593397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5796695 + 5796696.

It is an arithmetic number, because the mean of its divisors is an integer number (5796696).

Almost surely, 2^11593391 is an apocalyptic number.

11593391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11593391 is an equidigital number, since it uses as much as digits as its factorization.

11593391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 32.

The square root of 11593391 is about 3404.9069003425. The cubic root of 11593391 is about 226.3272401947.

The spelling of 11593391 in words is "eleven million, five hundred ninety-three thousand, three hundred ninety-one".