12376420 has 72 divisors (see below), whose sum is σ = 30825144. Its totient is φ = 4161024.

The previous prime is 12376411. The next prime is 12376423. The reversal of 12376420 is 2467321.

It can be written as a sum of positive squares in 4 ways, for example, as 3896676 + 8479744 = 1974^2 + 2912^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12376423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71454 + ... + 71626.

It is an arithmetic number, because the mean of its divisors is an integer number (428127).

Almost surely, 2^12376420 is an apocalyptic number.

12376420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12376420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15412572).

12376420 is an abundant number, since it is smaller than the sum of its proper divisors (18448724).

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

12376420 is a wasteful number, since it uses less digits than its factorization.

12376420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 12376420 is about 3518.0136440895. The cubic root of 12376420 is about 231.3120972754.

Subtracting from 12376420 its reverse (2467321), we obtain a palindrome (9909099).

The spelling of 12376420 in words is "twelve million, three hundred seventy-six thousand, four hundred twenty".