13200003 has 28 divisors (see below), whose sum is σ = 20854440. Its totient is φ = 8328096.

The previous prime is 13200001. The next prime is 13200101. The reversal of 13200003 is 30000231.

It is a happy number.

It is not a de Polignac number, because 13200003 - 2¹ = 13200001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13375 + ... + 14327.

Almost surely, 2^13200003 is an apocalyptic number.

13200003 is a deficient number, since it is larger than the sum of its proper divisors (7654437).

13200003 is an frugal number, since it uses more digits than its factorization.

13200003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 13200003 is about 3633.1808377784. The cubic root of 13200003 is about 236.3331679975. Note that the first 3 decimals are identical.

Adding to 13200003 its reverse (30000231), we get a palindrome (43200234).

The spelling of 13200003 in words is "thirteen million, two hundred thousand, three".