11701285 has 4 divisors (see below), whose sum is σ = 14041548. Its totient is φ = 9361024.

The previous prime is 11701279. The next prime is 11701301. The reversal of 11701285 is 58210711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5239521 + 6461764 = 2289^2 + 2542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11701285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170124 + ... + 1170133.

It is an arithmetic number, because the mean of its divisors is an integer number (3510387).

Almost surely, 2^11701285 is an apocalyptic number.

It is an amenable number.

11701285 is a deficient number, since it is larger than the sum of its proper divisors (2340263).

11701285 is an equidigital number, since it uses as much as digits as its factorization.

11701285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340262.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11701285 is about 3420.7141067327. The cubic root of 11701285 is about 227.0271788503.

Adding to 11701285 its reverse (58210711), we get a palindrome (69911996).

The spelling of 11701285 in words is "eleven million, seven hundred one thousand, two hundred eighty-five".