13506226 has 8 divisors (see below), whose sum is σ = 21325680. Its totient is φ = 6397668.

The previous prime is 13506217. The next prime is 13506277. The reversal of 13506226 is 62260531.

13506226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13506226.

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, 177676 + ... + 177751.

It is an arithmetic number, because the mean of its divisors is an integer number (2665710).

Almost surely, 2^13506226 is an apocalyptic number.

13506226 is a deficient number, since it is larger than the sum of its proper divisors (7819454).

13506226 is a wasteful number, since it uses less digits than its factorization.

13506226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355448.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13506226 is about 3675.0817677978. The cubic root of 13506226 is about 238.1467564620.

Adding to 13506226 its reverse (62260531), we get a palindrome (75766757).

The spelling of 13506226 in words is "thirteen million, five hundred six thousand, two hundred twenty-six".