13200004 has 6 divisors (see below), whose sum is σ = 23100014. Its totient is φ = 6600000.

The previous prime is 13200001. The next prime is 13200101. The reversal of 13200004 is 40000231.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 23104 = 3630^2 + 152^2 .

It is not an unprimeable number, because it can be changed into a prime (13200001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1649997 + ... + 1650004.

Almost surely, 2^13200004 is an apocalyptic number.

It is an amenable number.

13200004 is a deficient number, since it is larger than the sum of its proper divisors (9900010).

13200004 is a wasteful number, since it uses less digits than its factorization.

13200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300005 (or 3300003 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 13200004 is about 3633.1809753988. The cubic root of 13200004 is about 236.3331739655. Note that the first 3 decimals are identical.

Adding to 13200004 its reverse (40000231), we get a palindrome (53200235).

The spelling of 13200004 in words is "thirteen million, two hundred thousand, four".