12943938 has 24 divisors (see below), whose sum is σ = 30115152. Its totient is φ = 3698184.

The previous prime is 12943927. The next prime is 12943949. The reversal of 12943938 is 83934921.

It is an interprime number because it is at equal distance from previous prime (12943927) and next prime (12943949).

It is a junction number, because it is equal to n+sod(n) for n = 12943896 and 12943905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21720 + ... + 22307.

It is an arithmetic number, because the mean of its divisors is an integer number (1254798).

Almost surely, 2^12943938 is an apocalyptic number.

12943938 is an abundant number, since it is smaller than the sum of its proper divisors (17171214).

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

12943938 is a wasteful number, since it uses less digits than its factorization.

12943938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44046 (or 44039 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 12943938 is about 3597.7684750412. The cubic root of 12943938 is about 234.7949803852.

The spelling of 12943938 in words is "twelve million, nine hundred forty-three thousand, nine hundred thirty-eight".