11870864 has 10 divisors (see below), whose sum is σ = 22999830. Its totient is φ = 5935424.

The previous prime is 11870849. The next prime is 11870867. The reversal of 11870864 is 46807811.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 2310400 = 3092^2 + 1520^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11870867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370949 + ... + 370980.

It is an arithmetic number, because the mean of its divisors is an integer number (2299983).

Almost surely, 2^11870864 is an apocalyptic number.

It is an amenable number.

11870864 is a deficient number, since it is larger than the sum of its proper divisors (11128966).

11870864 is an equidigital number, since it uses as much as digits as its factorization.

11870864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741937 (or 741931 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 11870864 is about 3445.4120218052. The cubic root of 11870864 is about 228.1186414441.

The spelling of 11870864 in words is "eleven million, eight hundred seventy thousand, eight hundred sixty-four".