13286536 has 16 divisors (see below), whose sum is σ = 25228800. Its totient is φ = 6558864.

The previous prime is 13286531. The next prime is 13286549. The reversal of 13286536 is 63568231.

It is not an unprimeable number, because it can be changed into a prime (13286531) 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, 9880 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (1576800).

Almost surely, 2^13286536 is an apocalyptic number.

It is an amenable number.

13286536 is a deficient number, since it is larger than the sum of its proper divisors (11942264).

13286536 is a wasteful number, since it uses less digits than its factorization.

13286536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21108 (or 21104 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 13286536 is about 3645.0700953480. The cubic root of 13286536 is about 236.8484732306.

It can be divided in two parts, 132 and 86536, that added together give a palindrome (86668).

The spelling of 13286536 in words is "thirteen million, two hundred eighty-six thousand, five hundred thirty-six".