11890263 has 16 divisors (see below), whose sum is σ = 19766016. Its totient is φ = 6176640.

The previous prime is 11890247. The next prime is 11890273. The reversal of 11890263 is 36209811.

It is not a de Polignac number, because 11890263 - 2⁴ = 11890247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11890263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25506 + ... + 25967.

It is an arithmetic number, because the mean of its divisors is an integer number (1235376).

Almost surely, 2^11890263 is an apocalyptic number.

11890263 is a deficient number, since it is larger than the sum of its proper divisors (7875753).

11890263 is a wasteful number, since it uses less digits than its factorization.

11890263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51494.

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

The square root of 11890263 is about 3448.2260656749. The cubic root of 11890263 is about 228.2428353012.

The spelling of 11890263 in words is "eleven million, eight hundred ninety thousand, two hundred sixty-three".