13135244 has 12 divisors (see below), whose sum is σ = 23142000. Its totient is φ = 6523248.

The previous prime is 13135217. The next prime is 13135247. The reversal of 13135244 is 44253131.

It is not an unprimeable number, because it can be changed into a prime (13135247) 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 3 ways as a sum of consecutive naturals, for example, 10424 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (1928500).

Almost surely, 2^13135244 is an apocalyptic number.

It is an amenable number.

13135244 is a deficient number, since it is larger than the sum of its proper divisors (10006756).

13135244 is a wasteful number, since it uses less digits than its factorization.

13135244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22192 (or 22190 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 13135244 is about 3624.2577171057. The cubic root of 13135244 is about 235.9460520181.

Adding to 13135244 its reverse (44253131), we get a palindrome (57388375).

The spelling of 13135244 in words is "thirteen million, one hundred thirty-five thousand, two hundred forty-four".