12229660 has 12 divisors (see below), whose sum is σ = 25682328. Its totient is φ = 4891856.

The previous prime is 12229631. The next prime is 12229667. The reversal of 12229660 is 6692221.

12229660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305722 + ... + 305761.

It is an arithmetic number, because the mean of its divisors is an integer number (2140194).

Almost surely, 2^12229660 is an apocalyptic number.

12229660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12229660 is an abundant number, since it is smaller than the sum of its proper divisors (13452668).

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

12229660 is a wasteful number, since it uses less digits than its factorization.

12229660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611492 (or 611490 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12229660 is about 3497.0930785439. The cubic root of 12229660 is about 230.3941571547.

The spelling of 12229660 in words is "twelve million, two hundred twenty-nine thousand, six hundred sixty".