11290863 has 4 divisors (see below), whose sum is σ = 15054488. Its totient is φ = 7527240.

The previous prime is 11290859. The next prime is 11290871. The reversal of 11290863 is 36809211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36809211 = 3 ⋅12269737.

It is not a de Polignac number, because 11290863 - 2² = 11290859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11290863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881808 + ... + 1881813.

It is an arithmetic number, because the mean of its divisors is an integer number (3763622).

Almost surely, 2^11290863 is an apocalyptic number.

11290863 is a deficient number, since it is larger than the sum of its proper divisors (3763625).

11290863 is an equidigital number, since it uses as much as digits as its factorization.

11290863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763624.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11290863 is about 3360.1879411723. The cubic root of 11290863 is about 224.3412038027.

The spelling of 11290863 in words is "eleven million, two hundred ninety thousand, eight hundred sixty-three".