11800002 has 8 divisors (see below), whose sum is σ = 23600016. Its totient is φ = 3933332.

The previous prime is 11800001. The next prime is 11800037. The reversal of 11800002 is 20000811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11800002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11800001) 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, 983328 + ... + 983339.

It is an arithmetic number, because the mean of its divisors is an integer number (2950002).

Almost surely, 2^11800002 is an apocalyptic number.

11800002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11800002 is a wasteful number, since it uses less digits than its factorization.

11800002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966672.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11800002 is about 3435.1130985748. The cubic root of 11800002 is about 227.6638243586.

Adding to 11800002 its reverse (20000811), we get a palindrome (31800813).

The spelling of 11800002 in words is "eleven million, eight hundred thousand, two".