12734226 has 32 divisors (see below), whose sum is σ = 29531520. Its totient is φ = 4059792.

The previous prime is 12734171. The next prime is 12734233. The reversal of 12734226 is 62243721.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12734226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3885 + ... + 6368.

It is an arithmetic number, because the mean of its divisors is an integer number (922860).

Almost surely, 2^12734226 is an apocalyptic number.

12734226 is an abundant number, since it is smaller than the sum of its proper divisors (16797294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12734226 is a wasteful number, since it uses less digits than its factorization.

12734226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287 (or 10281 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12734226 is about 3568.5047288745. The cubic root of 12734226 is about 233.5200550738.

Adding to 12734226 its reverse (62243721), we get a palindrome (74977947).

The spelling of 12734226 in words is "twelve million, seven hundred thirty-four thousand, two hundred twenty-six".