12371427 has 16 divisors (see below), whose sum is σ = 19406880. Its totient is φ = 7762176.

The previous prime is 12371423. The next prime is 12371441. The reversal of 12371427 is 72417321.

It is a happy number.

12371427 is a `hidden beast` number, since 1 + 237 + 1 + 427 = 666.

12371427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12371427 - 2² = 12371423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12371427.

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 15 ways as a sum of consecutive naturals, for example, 13018 + ... + 13935.

It is an arithmetic number, because the mean of its divisors is an integer number (1212930).

Almost surely, 2^12371427 is an apocalyptic number.

12371427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12371427 is a deficient number, since it is larger than the sum of its proper divisors (7035453).

12371427 is a wasteful number, since it uses less digits than its factorization.

12371427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26979 (or 26973 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12371427 is about 3517.3039390988. The cubic root of 12371427 is about 231.2809871308.

Adding to 12371427 its reverse (72417321), we get a palindrome (84788748).

The spelling of 12371427 in words is "twelve million, three hundred seventy-one thousand, four hundred twenty-seven".