12241878 has 16 divisors (see below), whose sum is σ = 26709696. Its totient is φ = 3709640.

The previous prime is 12241877. The next prime is 12241913. The reversal of 12241878 is 87814221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12241877) 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, 92676 + ... + 92807.

It is an arithmetic number, because the mean of its divisors is an integer number (1669356).

Almost surely, 2^12241878 is an apocalyptic number.

12241878 is an abundant number, since it is smaller than the sum of its proper divisors (14467818).

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

12241878 is a wasteful number, since it uses less digits than its factorization.

12241878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185499.

The product of its digits is 7168, while the sum is 33.

The square root of 12241878 is about 3498.8395218987. The cubic root of 12241878 is about 230.4708564500.

The spelling of 12241878 in words is "twelve million, two hundred forty-one thousand, eight hundred seventy-eight".