12396403 has 2 divisors, whose sum is σ = 12396404. Its totient is φ = 12396402.

The previous prime is 12396401. The next prime is 12396409. The reversal of 12396403 is 30469321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12396403 - 2¹ = 12396401 is a prime.

Together with 12396401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12396401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6198201 + 6198202.

It is an arithmetic number, because the mean of its divisors is an integer number (6198202).

Almost surely, 2^12396403 is an apocalyptic number.

12396403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12396403 is an equidigital number, since it uses as much as digits as its factorization.

12396403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 12396403 is about 3520.8525956081. The cubic root of 12396403 is about 231.4365227053.

The spelling of 12396403 in words is "twelve million, three hundred ninety-six thousand, four hundred three".