11419985 has 4 divisors (see below), whose sum is σ = 13703988. Its totient is φ = 9135984.

The previous prime is 11419951. The next prime is 11419999. The reversal of 11419985 is 58991411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58991411 = 17 ⋅3470083.

It can be written as a sum of positive squares in 2 ways, for example, as 1256641 + 10163344 = 1121^2 + 3188^2 .

It is a cyclic number.

It is not a de Polignac number, because 11419985 - 2⁶ = 11419921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141994 + ... + 1142003.

It is an arithmetic number, because the mean of its divisors is an integer number (3425997).

Almost surely, 2^11419985 is an apocalyptic number.

It is an amenable number.

11419985 is a deficient number, since it is larger than the sum of its proper divisors (2284003).

11419985 is an equidigital number, since it uses as much as digits as its factorization.

11419985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284002.

The product of its digits is 12960, while the sum is 38.

The square root of 11419985 is about 3379.3468303801. The cubic root of 11419985 is about 225.1931510147.

The spelling of 11419985 in words is "eleven million, four hundred nineteen thousand, nine hundred eighty-five".