13200008 has 8 divisors (see below), whose sum is σ = 24750030. Its totient is φ = 6600000.

The previous prime is 13200001. The next prime is 13200101. The reversal of 13200008 is 80000231.

It can be written as a sum of positive squares in only one way, i.e., 9597604 + 3602404 = 3098^2 + 1898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13200008² = 348480422400128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13199965 and 13200001.

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, 824993 + ... + 825008.

Almost surely, 2^13200008 is an apocalyptic number.

It is an amenable number.

13200008 is a deficient number, since it is larger than the sum of its proper divisors (11550022).

13200008 is a wasteful number, since it uses less digits than its factorization.

13200008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650007 (or 1650003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 13200008 is about 3633.1815258806. The cubic root of 13200008 is about 236.3331978376. Note that the first 3 decimals are identical.

Adding to 13200008 its reverse (80000231), we get a palindrome (93200239).

The spelling of 13200008 in words is "thirteen million, two hundred thousand, eight".