13085426 has 4 divisors (see below), whose sum is σ = 19628142. Its totient is φ = 6542712.

The previous prime is 13085407. The next prime is 13085431. The reversal of 13085426 is 62458031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 89401 = 3605^2 + 299^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271355 + ... + 3271358.

Almost surely, 2^13085426 is an apocalyptic number.

13085426 is a deficient number, since it is larger than the sum of its proper divisors (6542716).

13085426 is an equidigital number, since it uses as much as digits as its factorization.

13085426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542715.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13085426 is about 3617.3783324391. The cubic root of 13085426 is about 235.6473834881.

The spelling of 13085426 in words is "thirteen million, eighty-five thousand, four hundred twenty-six".