12738319 has 8 divisors (see below), whose sum is σ = 14032512. Its totient is φ = 11466840.

The previous prime is 12738311. The next prime is 12738347. The reversal of 12738319 is 91383721.

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

It is not a de Polignac number, because 12738319 - 2³ = 12738311 is a prime.

It is a super-2 number, since 2×12738319² = 324529541891522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738311) 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, 4489 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (1754064).

Almost surely, 2^12738319 is an apocalyptic number.

12738319 is a deficient number, since it is larger than the sum of its proper divisors (1294193).

12738319 is a wasteful number, since it uses less digits than its factorization.

12738319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357.

The product of its digits is 9072, while the sum is 34.

The square root of 12738319 is about 3569.0781723016. The cubic root of 12738319 is about 233.5450715190.

The spelling of 12738319 in words is "twelve million, seven hundred thirty-eight thousand, three hundred nineteen".