12938086 has 16 divisors (see below), whose sum is σ = 22779936. Its totient is φ = 5394816.

The previous prime is 12938077. The next prime is 12938087. The reversal of 12938086 is 68083921.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12938087) 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, 11971 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (1423746).

Almost surely, 2^12938086 is an apocalyptic number.

12938086 is a deficient number, since it is larger than the sum of its proper divisors (9841850).

12938086 is a wasteful number, since it uses less digits than its factorization.

12938086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25023.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12938086 is about 3596.9551011932. The cubic root of 12938086 is about 234.7595911721.

The spelling of 12938086 in words is "twelve million, nine hundred thirty-eight thousand, eighty-six".