12938896 has 10 divisors (see below), whose sum is σ = 25069142. Its totient is φ = 6469440.

The previous prime is 12938879. The next prime is 12938897. The reversal of 12938896 is 69883921.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 435600 = 3536^2 + 660^2 .

It is not an unprimeable number, because it can be changed into a prime (12938897) 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 as a sum of consecutive naturals, namely, 404325 + ... + 404356.

Almost surely, 2^12938896 is an apocalyptic number.

12938896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12938896 is a deficient number, since it is larger than the sum of its proper divisors (12130246).

12938896 is an equidigital number, since it uses as much as digits as its factorization.

12938896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808689 (or 808683 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 12938896 is about 3597.0676946646. The cubic root of 12938896 is about 234.7644901785.

The spelling of 12938896 in words is "twelve million, nine hundred thirty-eight thousand, eight hundred ninety-six".