12424878 has 12 divisors (see below), whose sum is σ = 26920608. Its totient is φ = 4141620.

The previous prime is 12424877. The next prime is 12424901. The reversal of 12424878 is 87842421.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345118 + ... + 345153.

It is an arithmetic number, because the mean of its divisors is an integer number (2243384).

Almost surely, 2^12424878 is an apocalyptic number.

12424878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12424878 is an abundant number, since it is smaller than the sum of its proper divisors (14495730).

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

12424878 is a wasteful number, since it uses less digits than its factorization.

12424878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690279 (or 690276 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 12424878 is about 3524.8940409607. The cubic root of 12424878 is about 231.6135933031.

The spelling of 12424878 in words is "twelve million, four hundred twenty-four thousand, eight hundred seventy-eight".