11845579 has 2 divisors, whose sum is σ = 11845580. Its totient is φ = 11845578.

The previous prime is 11845577. The next prime is 11845591. The reversal of 11845579 is 97554811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11845579 - 2¹ = 11845577 is a prime.

Together with 11845577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11845571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922789 + 5922790.

It is an arithmetic number, because the mean of its divisors is an integer number (5922790).

Almost surely, 2^11845579 is an apocalyptic number.

11845579 is a deficient number, since it is larger than the sum of its proper divisors (1).

11845579 is an equidigital number, since it uses as much as digits as its factorization.

11845579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 40.

The square root of 11845579 is about 3441.7406933120. The cubic root of 11845579 is about 227.9565616950.

The spelling of 11845579 in words is "eleven million, eight hundred forty-five thousand, five hundred seventy-nine".