12516229 has 8 divisors (see below), whose sum is σ = 13680000. Its totient is φ = 11356800.

The previous prime is 12516227. The next prime is 12516247. The reversal of 12516229 is 92261521.

12516229 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 not a de Polignac number, because 12516229 - 2¹ = 12516227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12516197 and 12516206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516227) 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, 9397 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (1710000).

Almost surely, 2^12516229 is an apocalyptic number.

It is an amenable number.

12516229 is a deficient number, since it is larger than the sum of its proper divisors (1163771).

12516229 is a wasteful number, since it uses less digits than its factorization.

12516229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its digits is 2160, while the sum is 28.

The square root of 12516229 is about 3537.8282886539. The cubic root of 12516229 is about 232.1798360387.

The spelling of 12516229 in words is "twelve million, five hundred sixteen thousand, two hundred twenty-nine".