13286436 has 12 divisors (see below), whose sum is σ = 31001712. Its totient is φ = 4428808.

The previous prime is 13286431. The next prime is 13286447. The reversal of 13286436 is 63468231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13286397 and 13286406.

It is not an unprimeable number, because it can be changed into a prime (13286431) 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, 553590 + ... + 553613.

It is an arithmetic number, because the mean of its divisors is an integer number (2583476).

Almost surely, 2^13286436 is an apocalyptic number.

It is an amenable number.

13286436 is an abundant number, since it is smaller than the sum of its proper divisors (17715276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13286436 is a wasteful number, since it uses less digits than its factorization.

13286436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107210 (or 1107208 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 13286436 is about 3645.0563781648. The cubic root of 13286436 is about 236.8478790223.

It can be divided in two parts, 132 and 86436, that added together give a palindrome (86568).

The spelling of 13286436 in words is "thirteen million, two hundred eighty-six thousand, four hundred thirty-six".