11200004 has 6 divisors (see below), whose sum is σ = 19600014.
Its totient is φ = 5600000.
The previous prime is 11200001. The next prime is 11200009. The reversal of 11200004 is 40000211.
It can be written as a sum of positive squares in only one way, i.e., 9985600 + 1214404 = 3160^2 + 1102^2
It is a junction number, because it is equal to n+sod(n) for n = 11199964 and 11200000.
It is not an unprimeable number, because it can be changed into a prime (11200001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399997 + ... + 1400004.
It is an arithmetic number, because the mean of its divisors is an integer number (3266669).
Almost surely, 211200004 is an apocalyptic number.
It is an amenable number.
11200004 is a deficient number, since it is larger than the sum of its proper divisors (8400010).
11200004 is a wasteful number, since it uses less digits than its factorization.
11200004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2800005 (or 2800003 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 11200004 is about 3346.6407037506.
The cubic root of 11200004 is about 223.7378150517.
Adding to 11200004 its reverse (40000211), we get a palindrome (51200215).
The spelling of 11200004 in words is "eleven million, two hundred thousand, four".