13286426 has 4 divisors (see below), whose sum is σ = 19929642. Its totient is φ = 6643212.

The previous prime is 13286423. The next prime is 13286431. The reversal of 13286426 is 62468231.

13286426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62468231 = 7 ⋅8924033.

It can be written as a sum of positive squares in only one way, i.e., 12967201 + 319225 = 3601^2 + 565^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13286392 and 13286401.

It is not an unprimeable number, because it can be changed into a prime (13286423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3321605 + ... + 3321608.

Almost surely, 2^13286426 is an apocalyptic number.

13286426 is a deficient number, since it is larger than the sum of its proper divisors (6643216).

13286426 is an equidigital number, since it uses as much as digits as its factorization.

13286426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643215.

The product of its digits is 13824, while the sum is 32.

The square root of 13286426 is about 3645.0550064437. The cubic root of 13286426 is about 236.8478196014.

The spelling of 13286426 in words is "thirteen million, two hundred eighty-six thousand, four hundred twenty-six".