11852557 has 2 divisors, whose sum is σ = 11852558. Its totient is φ = 11852556.

The previous prime is 11852539. The next prime is 11852573. The reversal of 11852557 is 75525811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11485321 + 367236 = 3389^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 11852557 - 2¹⁵ = 11819789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11852537) 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 as a sum of consecutive naturals, namely, 5926278 + 5926279.

It is an arithmetic number, because the mean of its divisors is an integer number (5926279).

Almost surely, 2^11852557 is an apocalyptic number.

It is an amenable number.

11852557 is a deficient number, since it is larger than the sum of its proper divisors (1).

11852557 is an equidigital number, since it uses as much as digits as its factorization.

11852557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14000, while the sum is 34.

The square root of 11852557 is about 3442.7542752860. The cubic root of 11852557 is about 228.0013144994.

The spelling of 11852557 in words is "eleven million, eight hundred fifty-two thousand, five hundred fifty-seven".