12738046 has 4 divisors (see below), whose sum is σ = 19107072. Its totient is φ = 6369022.

The previous prime is 12738043. The next prime is 12738053. The reversal of 12738046 is 64083721.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12737999 and 12738017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184510 + ... + 3184513.

It is an arithmetic number, because the mean of its divisors is an integer number (4776768).

Almost surely, 2^12738046 is an apocalyptic number.

12738046 is a deficient number, since it is larger than the sum of its proper divisors (6369026).

12738046 is an equidigital number, since it uses as much as digits as its factorization.

12738046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369025.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 12738046 is about 3569.0399269271. The cubic root of 12738046 is about 233.5434031079.

The spelling of 12738046 in words is "twelve million, seven hundred thirty-eight thousand, forty-six".