11487859 has 2 divisors, whose sum is σ = 11487860. Its totient is φ = 11487858.

The previous prime is 11487851. The next prime is 11487863. The reversal of 11487859 is 95878411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (95878411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11487859 - 2³ = 11487851 is a prime.

It is not a weakly prime, because it can be changed into another prime (11487851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743929 + 5743930.

It is an arithmetic number, because the mean of its divisors is an integer number (5743930).

Almost surely, 2^11487859 is an apocalyptic number.

11487859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11487859 is an equidigital number, since it uses as much as digits as its factorization.

11487859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 43.

The square root of 11487859 is about 3389.3744260556. The cubic root of 11487859 is about 225.6384107405.

The spelling of 11487859 in words is "eleven million, four hundred eighty-seven thousand, eight hundred fifty-nine".