12371438 has 4 divisors (see below), whose sum is σ = 18557160. Its totient is φ = 6185718.

The previous prime is 12371423. The next prime is 12371441. The reversal of 12371438 is 83417321.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12371438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3092858 + ... + 3092861.

It is an arithmetic number, because the mean of its divisors is an integer number (4639290).

Almost surely, 2^12371438 is an apocalyptic number.

12371438 is a deficient number, since it is larger than the sum of its proper divisors (6185722).

12371438 is an equidigital number, since it uses as much as digits as its factorization.

12371438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185721.

The product of its digits is 4032, while the sum is 29.

The square root of 12371438 is about 3517.3055027961. The cubic root of 12371438 is about 231.2810556782.

Adding to 12371438 its reverse (83417321), we get a palindrome (95788759).

The spelling of 12371438 in words is "twelve million, three hundred seventy-one thousand, four hundred thirty-eight".