12403933 has 2 divisors, whose sum is σ = 12403934. Its totient is φ = 12403932.

The previous prime is 12403921. The next prime is 12403939. The reversal of 12403933 is 33930421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11108889 + 1295044 = 3333^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12403933 - 2⁵ = 12403901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12403898 and 12403907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12403939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201966 + 6201967.

It is an arithmetic number, because the mean of its divisors is an integer number (6201967).

Almost surely, 2^12403933 is an apocalyptic number.

It is an amenable number.

12403933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12403933 is an equidigital number, since it uses as much as digits as its factorization.

12403933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 12403933 is about 3521.9217765305. The cubic root of 12403933 is about 231.4833740452.

The spelling of 12403933 in words is "twelve million, four hundred three thousand, nine hundred thirty-three".