12438137 has 8 divisors (see below), whose sum is σ = 12825120. Its totient is φ = 12055680.

The previous prime is 12438121. The next prime is 12438149. The reversal of 12438137 is 73183421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12438137 - 2⁴ = 12438121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12438157) 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, 4937 + ... + 7017.

It is an arithmetic number, because the mean of its divisors is an integer number (1603140).

Almost surely, 2^12438137 is an apocalyptic number.

It is an amenable number.

12438137 is a deficient number, since it is larger than the sum of its proper divisors (386983).

12438137 is a wasteful number, since it uses less digits than its factorization.

12438137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263.

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

The square root of 12438137 is about 3526.7743052257. The cubic root of 12438137 is about 231.6959515338.

The spelling of 12438137 in words is "twelve million, four hundred thirty-eight thousand, one hundred thirty-seven".