12551227 has 8 divisors (see below), whose sum is σ = 13831664. Its totient is φ = 11315808.

The previous prime is 12551213. The next prime is 12551239. The reversal of 12551227 is 72215521.

12551227 is digitally balanced in base 3, 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12551227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12551257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10668 + ... + 11785.

It is an arithmetic number, because the mean of its divisors is an integer number (1728958).

Almost surely, 2^12551227 is an apocalyptic number.

12551227 is a deficient number, since it is larger than the sum of its proper divisors (1280437).

12551227 is a wasteful number, since it uses less digits than its factorization.

12551227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22509.

The product of its digits is 1400, while the sum is 25.

The square root of 12551227 is about 3542.7710905448. The cubic root of 12551227 is about 232.3960424750.

Adding to 12551227 its reverse (72215521), we get a palindrome (84766748).

The spelling of 12551227 in words is "twelve million, five hundred fifty-one thousand, two hundred twenty-seven".