12537238 has 12 divisors (see below), whose sum is σ = 21876372. Its totient is φ = 5373060.

The previous prime is 12537227. The next prime is 12537253. The reversal of 12537238 is 83273521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63868 + ... + 64063.

It is an arithmetic number, because the mean of its divisors is an integer number (1823031).

Almost surely, 2^12537238 is an apocalyptic number.

12537238 is a deficient number, since it is larger than the sum of its proper divisors (9339134).

12537238 is a wasteful number, since it uses less digits than its factorization.

12537238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127947 (or 127940 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 12537238 is about 3540.7962381363. The cubic root of 12537238 is about 232.3096711908.

The spelling of 12537238 in words is "twelve million, five hundred thirty-seven thousand, two hundred thirty-eight".