12970403 has 2 divisors, whose sum is σ = 12970404. Its totient is φ = 12970402.

The previous prime is 12970361. The next prime is 12970417. The reversal of 12970403 is 30407921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12970403 - 2²⁰ = 11921827 is a prime.

It is not a weakly prime, because it can be changed into another prime (12970423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485201 + 6485202.

It is an arithmetic number, because the mean of its divisors is an integer number (6485202).

Almost surely, 2^12970403 is an apocalyptic number.

12970403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12970403 is an equidigital number, since it uses as much as digits as its factorization.

12970403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12970403 is about 3601.4445712797. Note that the first 3 decimals coincide. The cubic root of 12970403 is about 234.9548909947.

The spelling of 12970403 in words is "twelve million, nine hundred seventy thousand, four hundred three".