12838956 has 24 divisors (see below), whose sum is σ = 32262384. Its totient is φ = 3950400.

The previous prime is 12838951. The next prime is 12838979. The reversal of 12838956 is 65983821.

It is not an unprimeable number, because it can be changed into a prime (12838951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40995 + ... + 41306.

It is an arithmetic number, because the mean of its divisors is an integer number (1344266).

Almost surely, 2^12838956 is an apocalyptic number.

It is an amenable number.

12838956 is an abundant number, since it is smaller than the sum of its proper divisors (19423428).

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

12838956 is a wasteful number, since it uses less digits than its factorization.

12838956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82321 (or 82319 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 12838956 is about 3583.1488944782. The cubic root of 12838956 is about 234.1584871251.

The spelling of 12838956 in words is "twelve million, eight hundred thirty-eight thousand, nine hundred fifty-six".