13439026 has 8 divisors (see below), whose sum is σ = 20174364. Its totient is φ = 6714240.

The previous prime is 13439017. The next prime is 13439033. The reversal of 13439026 is 62093431.

It can be written as a sum of positive squares in 2 ways, for example, as 8708401 + 4730625 = 2951^2 + 2175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13438985 and 13439003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2746 + ... + 5866.

Almost surely, 2^13439026 is an apocalyptic number.

13439026 is a deficient number, since it is larger than the sum of its proper divisors (6735338).

13439026 is a wasteful number, since it uses less digits than its factorization.

13439026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13439026 is about 3665.9277134172. The cubic root of 13439026 is about 237.7511345393.

The spelling of 13439026 in words is "thirteen million, four hundred thirty-nine thousand, twenty-six".