13200244 has 6 divisors (see below), whose sum is σ = 23100434. Its totient is φ = 6600120.

The previous prime is 13200241. The next prime is 13200251. The reversal of 13200244 is 44200231.

It can be written as a sum of positive squares in only one way, i.e., 6697744 + 6502500 = 2588^2 + 2550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650027 + ... + 1650034.

Almost surely, 2^13200244 is an apocalyptic number.

It is an amenable number.

13200244 is a deficient number, since it is larger than the sum of its proper divisors (9900190).

13200244 is a wasteful number, since it uses less digits than its factorization.

13200244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300065 (or 3300063 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13200244 is about 3633.2140041567. The cubic root of 13200244 is about 236.3346062787.

Adding to 13200244 its reverse (44200231), we get a palindrome (57400475).

The spelling of 13200244 in words is "thirteen million, two hundred thousand, two hundred forty-four".