12371420 has 12 divisors (see below), whose sum is σ = 25980024. Its totient is φ = 4948560.

The previous prime is 12371377. The next prime is 12371423. The reversal of 12371420 is 2417321.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 618571 = 12371420 / (1 + 2 + 3 + 7 + 1 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12371392 and 12371401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371423) 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, 309266 + ... + 309305.

It is an arithmetic number, because the mean of its divisors is an integer number (2165002).

Almost surely, 2^12371420 is an apocalyptic number.

12371420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12371420 is an abundant number, since it is smaller than the sum of its proper divisors (13608604).

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

12371420 is a wasteful number, since it uses less digits than its factorization.

12371420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618580 (or 618578 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12371420 is about 3517.3029440183. The cubic root of 12371420 is about 231.2809435096.

Adding to 12371420 its reverse (2417321), we get a palindrome (14788741).

The spelling of 12371420 in words is "twelve million, three hundred seventy-one thousand, four hundred twenty".