12393941 has 12 divisors (see below), whose sum is σ = 14811552. Its totient is φ = 10158456.

The previous prime is 12393937. The next prime is 12393949. The reversal of 12393941 is 14939321.

It is not a de Polignac number, because 12393941 - 2² = 12393937 is a prime.

It is a super-2 number, since 2×12393941² = 307219547022962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12393898 and 12393907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2030 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (1234296).

Almost surely, 2^12393941 is an apocalyptic number.

It is an amenable number.

12393941 is a deficient number, since it is larger than the sum of its proper divisors (2417611).

12393941 is an equidigital number, since it uses as much as digits as its factorization.

12393941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400 (or 3377 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 12393941 is about 3520.5029470233. The cubic root of 12393941 is about 231.4212001303.

The spelling of 12393941 in words is "twelve million, three hundred ninety-three thousand, nine hundred forty-one".