12551226 has 8 divisors (see below), whose sum is σ = 25102464. Its totient is φ = 4183740.

The previous prime is 12551213. The next prime is 12551239. The reversal of 12551226 is 62215521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12551213) and next prime (12551239).

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

12551226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12551196 and 12551205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045930 + ... + 1045941.

It is an arithmetic number, because the mean of its divisors is an integer number (3137808).

Almost surely, 2^12551226 is an apocalyptic number.

12551226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12551226 is a wasteful number, since it uses less digits than its factorization.

12551226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091876.

The product of its digits is 1200, while the sum is 24.

The square root of 12551226 is about 3542.7709494123. The cubic root of 12551226 is about 232.3960363031.

Adding to 12551226 its reverse (62215521), we get a palindrome (74766747).

The spelling of 12551226 in words is "twelve million, five hundred fifty-one thousand, two hundred twenty-six".