11852591 has 2 divisors, whose sum is σ = 11852592. Its totient is φ = 11852590.

The previous prime is 11852579. The next prime is 11852609. The reversal of 11852591 is 19525811.

It is a weak prime.

It is an emirp because it is prime and its reverse (19525811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11852591 - 2¹⁴ = 11836207 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 (11852531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5926295 + 5926296.

It is an arithmetic number, because the mean of its divisors is an integer number (5926296).

Almost surely, 2^11852591 is an apocalyptic number.

11852591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11852591 is an equidigital number, since it uses as much as digits as its factorization.

11852591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 32.

The square root of 11852591 is about 3442.7592131893. The cubic root of 11852591 is about 228.0015325125.

The spelling of 11852591 in words is "eleven million, eight hundred fifty-two thousand, five hundred ninety-one".