12838615 has 8 divisors (see below), whose sum is σ = 15559488. Its totient is φ = 10168800.

The previous prime is 12838613. The next prime is 12838627. The reversal of 12838615 is 51683821.

12838615 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12838615 - 2¹ = 12838613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838613) 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, 12207 + ... + 13216.

It is an arithmetic number, because the mean of its divisors is an integer number (1944936).

Almost surely, 2^12838615 is an apocalyptic number.

12838615 is a deficient number, since it is larger than the sum of its proper divisors (2720873).

12838615 is a wasteful number, since it uses less digits than its factorization.

12838615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25529.

The product of its digits is 11520, while the sum is 34.

The square root of 12838615 is about 3583.1013103176. The cubic root of 12838615 is about 234.1564140398.

The spelling of 12838615 in words is "twelve million, eight hundred thirty-eight thousand, six hundred fifteen".