12733138 has 8 divisors (see below), whose sum is σ = 20836080. Its totient is φ = 5787780.

The previous prime is 12733129. The next prime is 12733139. The reversal of 12733138 is 83133721.

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

It is not an unprimeable number, because it can be changed into a prime (12733139) 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, 289368 + ... + 289411.

It is an arithmetic number, because the mean of its divisors is an integer number (2604510).

Almost surely, 2^12733138 is an apocalyptic number.

12733138 is a deficient number, since it is larger than the sum of its proper divisors (8102942).

12733138 is a wasteful number, since it uses less digits than its factorization.

12733138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578792.

The product of its digits is 3024, while the sum is 28.

The square root of 12733138 is about 3568.3522808153. The cubic root of 12733138 is about 233.5134043082.

Adding to 12733138 its reverse (83133721), we get a palindrome (95866859).

The spelling of 12733138 in words is "twelve million, seven hundred thirty-three thousand, one hundred thirty-eight".