11797864 has 32 divisors (see below), whose sum is σ = 25227720. Its totient is φ = 5124096.

The previous prime is 11797861. The next prime is 11797901. The reversal of 11797864 is 46879711.

It can be written as a sum of positive squares in 4 ways, for example, as 6461764 + 5336100 = 2542^2 + 2310^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11797864.

It is not an unprimeable number, because it can be changed into a prime (11797861) 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, 1569 + ... + 5104.

Almost surely, 2^11797864 is an apocalyptic number.

It is an amenable number.

11797864 is an abundant number, since it is smaller than the sum of its proper divisors (13429856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11797864 is a wasteful number, since it uses less digits than its factorization.

11797864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709 (or 6705 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 11797864 is about 3434.8018865722. The cubic root of 11797864 is about 227.6500736644.

The spelling of 11797864 in words is "eleven million, seven hundred ninety-seven thousand, eight hundred sixty-four".