13039226 has 4 divisors (see below), whose sum is σ = 19558842. Its totient is φ = 6519612.

The previous prime is 13039223. The next prime is 13039231. The reversal of 13039226 is 62293031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62293031 = 3331 ⋅18701.

It can be written as a sum of positive squares in only one way, i.e., 10233601 + 2805625 = 3199^2 + 1675^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13039195 and 13039204.

It is not an unprimeable number, because it can be changed into a prime (13039223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3259805 + ... + 3259808.

Almost surely, 2^13039226 is an apocalyptic number.

13039226 is a deficient number, since it is larger than the sum of its proper divisors (6519616).

13039226 is an equidigital number, since it uses as much as digits as its factorization.

13039226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519615.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13039226 is about 3610.9868457251. The cubic root of 13039226 is about 235.3697273406.

The spelling of 13039226 in words is "thirteen million, thirty-nine thousand, two hundred twenty-six".