13307236 has 12 divisors (see below), whose sum is σ = 23528428. Its totient is φ = 6584832.

The previous prime is 13307227. The next prime is 13307237. The reversal of 13307236 is 63270331.

It can be written as a sum of positive squares in 2 ways, for example, as 9884736 + 3422500 = 3144^2 + 1850^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13307236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13307237) 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, 16761 + ... + 17536.

Almost surely, 2^13307236 is an apocalyptic number.

It is an amenable number.

13307236 is a deficient number, since it is larger than the sum of its proper divisors (10221192).

13307236 is a wasteful number, since it uses less digits than its factorization.

13307236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34398 (or 34396 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 13307236 is about 3647.9084418335. The cubic root of 13307236 is about 236.9714102018.

Adding to 13307236 its reverse (63270331), we get a palindrome (76577567).

The spelling of 13307236 in words is "thirteen million, three hundred seven thousand, two hundred thirty-six".