13312436 has 12 divisors (see below), whose sum is σ = 23325540. Its totient is φ = 6648000.

The previous prime is 13312433. The next prime is 13312451. The reversal of 13312436 is 63421331.

It can be written as a sum of positive squares in 2 ways, for example, as 2788900 + 10523536 = 1670^2 + 3244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312433) 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, 2936 + ... + 5936.

It is an arithmetic number, because the mean of its divisors is an integer number (1943795).

Almost surely, 2^13312436 is an apocalyptic number.

It is an amenable number.

13312436 is a deficient number, since it is larger than the sum of its proper divisors (10013104).

13312436 is a wasteful number, since it uses less digits than its factorization.

13312436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114 (or 4112 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 13312436 is about 3648.6211094056. The cubic root of 13312436 is about 237.0022728808.

Adding to 13312436 its reverse (63421331), we get a palindrome (76733767).

The spelling of 13312436 in words is "thirteen million, three hundred twelve thousand, four hundred thirty-six".