11317285 has 16 divisors (see below), whose sum is σ = 15840000. Its totient is φ = 7759248.

The previous prime is 11317277. The next prime is 11317297. The reversal of 11317285 is 58271311.

It is not a de Polignac number, because 11317285 - 2³ = 11317277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (990000).

Almost surely, 2^11317285 is an apocalyptic number.

It is an amenable number.

11317285 is a deficient number, since it is larger than the sum of its proper divisors (4522715).

11317285 is an frugal number, since it uses more digits than its factorization.

11317285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625 (or 6611 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 11317285 is about 3364.1172690618. The cubic root of 11317285 is about 224.5160627591.

Adding to 11317285 its reverse (58271311), we get a palindrome (69588596).

The spelling of 11317285 in words is "eleven million, three hundred seventeen thousand, two hundred eighty-five".