12226526 has 8 divisors (see below), whose sum is σ = 19750584. Its totient is φ = 5643000.

The previous prime is 12226507. The next prime is 12226537. The reversal of 12226526 is 62562221.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 470251 = 12226526 / (1 + 2 + 2 + 2 + 6 + 5 + 2 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12226495 and 12226504.

It is a congruent number.

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, 235100 + ... + 235151.

It is an arithmetic number, because the mean of its divisors is an integer number (2468823).

Almost surely, 2^12226526 is an apocalyptic number.

12226526 is a deficient number, since it is larger than the sum of its proper divisors (7524058).

12226526 is a wasteful number, since it uses less digits than its factorization.

12226526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470266.

The product of its digits is 2880, while the sum is 26.

The square root of 12226526 is about 3496.6449633899. The cubic root of 12226526 is about 230.3744750329.

Adding to 12226526 its reverse (62562221), we get a palindrome (74788747).

The spelling of 12226526 in words is "twelve million, two hundred twenty-six thousand, five hundred twenty-six".