12838516 has 12 divisors (see below), whose sum is σ = 22496740. Its totient is φ = 6410880.

The previous prime is 12838513. The next prime is 12838537. The reversal of 12838516 is 61583821.

It can be written as a sum of positive squares in 2 ways, for example, as 2250000 + 10588516 = 1500^2 + 3254^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838513) 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 3 ways as a sum of consecutive naturals, for example, 2446 + ... + 5626.

Almost surely, 2^12838516 is an apocalyptic number.

It is an amenable number.

12838516 is a deficient number, since it is larger than the sum of its proper divisors (9658224).

12838516 is a wasteful number, since it uses less digits than its factorization.

12838516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4192 counting only the distinct ones).

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

The square root of 12838516 is about 3583.0874954430. The cubic root of 12838516 is about 234.1558121695.

The spelling of 12838516 in words is "twelve million, eight hundred thirty-eight thousand, five hundred sixteen".