12240872 has 32 divisors (see below), whose sum is σ = 26368320. Its totient is φ = 5218560.

The previous prime is 12240869. The next prime is 12240887. The reversal of 12240872 is 27804221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13043 + ... + 13949.

It is an arithmetic number, because the mean of its divisors is an integer number (824010).

Almost surely, 2^12240872 is an apocalyptic number.

It is an amenable number.

12240872 is an abundant number, since it is smaller than the sum of its proper divisors (14127448).

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

12240872 is a wasteful number, since it uses less digits than its factorization.

12240872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12240872 is about 3498.6957569929. The cubic root of 12240872 is about 230.4645431476.

The spelling of 12240872 in words is "twelve million, two hundred forty thousand, eight hundred seventy-two".