11428863 has 8 divisors (see below), whose sum is σ = 15730176. Its totient is φ = 7373400.

The previous prime is 11428853. The next prime is 11428897. The reversal of 11428863 is 36882411.

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

It is not a de Polignac number, because 11428863 - 2¹⁰ = 11427839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61353 + ... + 61538.

It is an arithmetic number, because the mean of its divisors is an integer number (1966272).

Almost surely, 2^11428863 is an apocalyptic number.

11428863 is a deficient number, since it is larger than the sum of its proper divisors (4301313).

11428863 is a wasteful number, since it uses less digits than its factorization.

11428863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122925.

The product of its digits is 9216, while the sum is 33.

The square root of 11428863 is about 3380.6601426349. The cubic root of 11428863 is about 225.2514916324.

The spelling of 11428863 in words is "eleven million, four hundred twenty-eight thousand, eight hundred sixty-three".