12634403 has 2 divisors, whose sum is σ = 12634404. Its totient is φ = 12634402.

The previous prime is 12634397. The next prime is 12634423. The reversal of 12634403 is 30443621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12634403 - 2⁶ = 12634339 is a prime.

It is not a weakly prime, because it can be changed into another prime (12634423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317201 + 6317202.

It is an arithmetic number, because the mean of its divisors is an integer number (6317202).

Almost surely, 2^12634403 is an apocalyptic number.

12634403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12634403 is an equidigital number, since it uses as much as digits as its factorization.

12634403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 12634403 is about 3554.4905401478. The cubic root of 12634403 is about 232.9082694410.

The spelling of 12634403 in words is "twelve million, six hundred thirty-four thousand, four hundred three".