11490863 has 4 divisors (see below), whose sum is σ = 11861568. Its totient is φ = 11120160.

The previous prime is 11490859. The next prime is 11490887. The reversal of 11490863 is 36809411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36809411 = 113 ⋅325747.

It is a cyclic number.

It is not a de Polignac number, because 11490863 - 2² = 11490859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185306 + ... + 185367.

It is an arithmetic number, because the mean of its divisors is an integer number (2965392).

Almost surely, 2^11490863 is an apocalyptic number.

11490863 is a deficient number, since it is larger than the sum of its proper divisors (370705).

11490863 is an equidigital number, since it uses as much as digits as its factorization.

11490863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370704.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 11490863 is about 3389.8175467125. The cubic root of 11490863 is about 225.6580766827.

The spelling of 11490863 in words is "eleven million, four hundred ninety thousand, eight hundred sixty-three".