12238437 has 4 divisors (see below), whose sum is σ = 16317920. Its totient is φ = 8158956.

The previous prime is 12238427. The next prime is 12238439. The reversal of 12238437 is 73483221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12238437 - 2⁷ = 12238309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12238439) 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, 2039737 + ... + 2039742.

It is an arithmetic number, because the mean of its divisors is an integer number (4079480).

Almost surely, 2^12238437 is an apocalyptic number.

It is an amenable number.

12238437 is a deficient number, since it is larger than the sum of its proper divisors (4079483).

12238437 is an equidigital number, since it uses as much as digits as its factorization.

12238437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079482.

The product of its digits is 8064, while the sum is 30.

The square root of 12238437 is about 3498.3477528685. The cubic root of 12238437 is about 230.4492605115.

The spelling of 12238437 in words is "twelve million, two hundred thirty-eight thousand, four hundred thirty-seven".