12237438 has 16 divisors (see below), whose sum is σ = 24561936. Its totient is φ = 4064640.

The previous prime is 12237431. The next prime is 12237439. The reversal of 12237438 is 83473221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12237431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (1535121).

Almost surely, 2^12237438 is an apocalyptic number.

12237438 is an abundant number, since it is smaller than the sum of its proper divisors (12324498).

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

12237438 is a wasteful number, since it uses less digits than its factorization.

12237438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7259.

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

The square root of 12237438 is about 3498.2049682659. The cubic root of 12237438 is about 230.4429899647.

The spelling of 12237438 in words is "twelve million, two hundred thirty-seven thousand, four hundred thirty-eight".