12738306 has 16 divisors (see below), whose sum is σ = 29116224. Its totient is φ = 3639504.

The previous prime is 12738301. The next prime is 12738307. The reversal of 12738306 is 60383721.

It is not an unprimeable number, because it can be changed into a prime (12738301) 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, 151605 + ... + 151688.

It is an arithmetic number, because the mean of its divisors is an integer number (1819764).

Almost surely, 2^12738306 is an apocalyptic number.

12738306 is an abundant number, since it is smaller than the sum of its proper divisors (16377918).

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

12738306 is a wasteful number, since it uses less digits than its factorization.

12738306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303305.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 12738306 is about 3569.0763511026. The cubic root of 12738306 is about 233.5449920714.

The spelling of 12738306 in words is "twelve million, seven hundred thirty-eight thousand, three hundred six".