11276287 has 16 divisors (see below), whose sum is σ = 13312512. Its totient is φ = 9435520.

The previous prime is 11276269. The next prime is 11276303. The reversal of 11276287 is 78267211.

It is a happy number.

11276287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11276287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11276207) 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, 8148 + ... + 9430.

It is an arithmetic number, because the mean of its divisors is an integer number (832032).

Almost surely, 2^11276287 is an apocalyptic number.

11276287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11276287 is a deficient number, since it is larger than the sum of its proper divisors (2036225).

11276287 is a wasteful number, since it uses less digits than its factorization.

11276287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358.

The product of its digits is 9408, while the sum is 34.

The square root of 11276287 is about 3358.0183144230. The cubic root of 11276287 is about 224.2446240716.

The spelling of 11276287 in words is "eleven million, two hundred seventy-six thousand, two hundred eighty-seven".