11273863 has 8 divisors (see below), whose sum is σ = 11953280. Its totient is φ = 10614240.

The previous prime is 11273861. The next prime is 11273879. The reversal of 11273863 is 36837211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11273863 - 2¹ = 11273861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3768 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (1494160).

Almost surely, 2^11273863 is an apocalyptic number.

11273863 is a deficient number, since it is larger than the sum of its proper divisors (679417).

11273863 is an equidigital number, since it uses as much as digits as its factorization.

11273863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897.

The product of its digits is 6048, while the sum is 31.

The square root of 11273863 is about 3357.6573678683. The cubic root of 11273863 is about 224.2285547182.

The spelling of 11273863 in words is "eleven million, two hundred seventy-three thousand, eight hundred sixty-three".