11800072 has 16 divisors (see below), whose sum is σ = 22406400. Its totient is φ = 5825040.

The previous prime is 11800069. The next prime is 11800073. The reversal of 11800072 is 27000811.

It is not an unprimeable number, because it can be changed into a prime (11800073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8704 + ... + 9967.

It is an arithmetic number, because the mean of its divisors is an integer number (1400400).

Almost surely, 2^11800072 is an apocalyptic number.

It is an amenable number.

11800072 is a deficient number, since it is larger than the sum of its proper divisors (10606328).

11800072 is a wasteful number, since it uses less digits than its factorization.

11800072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18756 (or 18752 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 11800072 is about 3435.1232874527. The cubic root of 11800072 is about 227.6642745403.

Adding to 11800072 its reverse (27000811), we get a palindrome (38800883).

The spelling of 11800072 in words is "eleven million, eight hundred thousand, seventy-two".