11806263 has 16 divisors (see below), whose sum is σ = 19989760. Its totient is φ = 6746328.

The previous prime is 11806261. The next prime is 11806297. The reversal of 11806263 is 36260811.

11806263 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11806263 - 2¹ = 11806261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11806261) 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, 31045 + ... + 31422.

It is an arithmetic number, because the mean of its divisors is an integer number (1249360).

Almost surely, 2^11806263 is an apocalyptic number.

11806263 is a deficient number, since it is larger than the sum of its proper divisors (8183497).

11806263 is an equidigital number, since it uses as much as digits as its factorization.

11806263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62483 (or 62477 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 11806263 is about 3436.0243014275. The cubic root of 11806263 is about 227.7040828596.

The spelling of 11806263 in words is "eleven million, eight hundred six thousand, two hundred sixty-three".