13243336 has 16 divisors (see below), whose sum is σ = 25502940. Its totient is φ = 6442560.

The previous prime is 13243327. The next prime is 13243339. The reversal of 13243336 is 63334231.

It can be written as a sum of positive squares in 2 ways, for example, as 13003236 + 240100 = 3606^2 + 490^2 .

It is a super-3 number, since 3×13243336³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13243336.

It is not an unprimeable number, because it can be changed into a prime (13243339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22075 + ... + 22666.

Almost surely, 2^13243336 is an apocalyptic number.

It is an amenable number.

13243336 is a deficient number, since it is larger than the sum of its proper divisors (12259604).

13243336 is a wasteful number, since it uses less digits than its factorization.

13243336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44784 (or 44780 counting only the distinct ones).

The product of its digits is 3888, while the sum is 25.

The square root of 13243336 is about 3639.1394587182. The cubic root of 13243336 is about 236.5914972101.

Adding to 13243336 its reverse (63334231), we get a palindrome (76577567).

The spelling of 13243336 in words is "thirteen million, two hundred forty-three thousand, three hundred thirty-six".