13286478 has 32 divisors (see below), whose sum is σ = 27617184. Its totient is φ = 4257792.

The previous prime is 13286473. The next prime is 13286489. The reversal of 13286478 is 87468231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13286473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21226 + ... + 21842.

It is an arithmetic number, because the mean of its divisors is an integer number (863037).

Almost surely, 2^13286478 is an apocalyptic number.

13286478 is an abundant number, since it is smaller than the sum of its proper divisors (14330706).

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

13286478 is a wasteful number, since it uses less digits than its factorization.

13286478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its digits is 64512, while the sum is 39.

The square root of 13286478 is about 3645.0621393880. The cubic root of 13286478 is about 236.8481285902.

The spelling of 13286478 in words is "thirteen million, two hundred eighty-six thousand, four hundred seventy-eight".