11874557 has 2 divisors, whose sum is σ = 11874558. Its totient is φ = 11874556.

The previous prime is 11874523. The next prime is 11874571. The reversal of 11874557 is 75547811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 1207801 = 3266^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 11874557 - 2⁸ = 11874301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11874557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11874587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937278 + 5937279.

It is an arithmetic number, because the mean of its divisors is an integer number (5937279).

Almost surely, 2^11874557 is an apocalyptic number.

It is an amenable number.

11874557 is a deficient number, since it is larger than the sum of its proper divisors (1).

11874557 is an equidigital number, since it uses as much as digits as its factorization.

11874557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 38.

The square root of 11874557 is about 3445.9479102273. The cubic root of 11874557 is about 228.1422947293.

The spelling of 11874557 in words is "eleven million, eight hundred seventy-four thousand, five hundred fifty-seven".