11287316 has 6 divisors (see below), whose sum is σ = 19752810. Its totient is φ = 5643656.

The previous prime is 11287313. The next prime is 11287321. The reversal of 11287316 is 61378211.

It can be written as a sum of positive squares in only one way, i.e., 7043716 + 4243600 = 2654^2 + 2060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410911 + ... + 1410918.

It is an arithmetic number, because the mean of its divisors is an integer number (3292135).

Almost surely, 2^11287316 is an apocalyptic number.

It is an amenable number.

11287316 is a deficient number, since it is larger than the sum of its proper divisors (8465494).

11287316 is a wasteful number, since it uses less digits than its factorization.

11287316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821833 (or 2821831 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 11287316 is about 3359.6601018555. The cubic root of 11287316 is about 224.3177092422.

The spelling of 11287316 in words is "eleven million, two hundred eighty-seven thousand, three hundred sixteen".