12738357 has 8 divisors (see below), whose sum is σ = 18871680. Its totient is φ = 8492220.

The previous prime is 12738353. The next prime is 12738361. The reversal of 12738357 is 75383721.

It is an interprime number because it is at equal distance from previous prime (12738353) and next prime (12738361).

It is not a de Polignac number, because 12738357 - 2² = 12738353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235869 + ... + 235922.

It is an arithmetic number, because the mean of its divisors is an integer number (2358960).

Almost surely, 2^12738357 is an apocalyptic number.

It is an amenable number.

12738357 is a deficient number, since it is larger than the sum of its proper divisors (6133323).

12738357 is an equidigital number, since it uses as much as digits as its factorization.

12738357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471800 (or 471794 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 12738357 is about 3569.0834958011. The cubic root of 12738357 is about 233.5453037502.

The spelling of 12738357 in words is "twelve million, seven hundred thirty-eight thousand, three hundred fifty-seven".