11286431 has 8 divisors (see below), whose sum is σ = 12274080. Its totient is φ = 10315872.

The previous prime is 11286427. The next prime is 11286463. The reversal of 11286431 is 13468211.

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 11286431 - 2² = 11286427 is a prime.

It is a super-2 number, since 2×11286431² = 254767049435522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11286431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11286131) 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, 2876 + ... + 5553.

It is an arithmetic number, because the mean of its divisors is an integer number (1534260).

Almost surely, 2^11286431 is an apocalyptic number.

11286431 is a deficient number, since it is larger than the sum of its proper divisors (987649).

11286431 is a wasteful number, since it uses less digits than its factorization.

11286431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545.

The product of its digits is 1152, while the sum is 26.

The square root of 11286431 is about 3359.5283895214. The cubic root of 11286431 is about 224.3118464265.

The spelling of 11286431 in words is "eleven million, two hundred eighty-six thousand, four hundred thirty-one".