12861403 has 2 divisors, whose sum is σ = 12861404. Its totient is φ = 12861402.

The previous prime is 12861397. The next prime is 12861419. The reversal of 12861403 is 30416821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12861403 is a prime.

It is not a weakly prime, because it can be changed into another prime (12861463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6430701 + 6430702.

It is an arithmetic number, because the mean of its divisors is an integer number (6430702).

Almost surely, 2^12861403 is an apocalyptic number.

12861403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12861403 is an equidigital number, since it uses as much as digits as its factorization.

12861403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12861403 is about 3586.2798273420. The cubic root of 12861403 is about 234.2948714056.

The spelling of 12861403 in words is "twelve million, eight hundred sixty-one thousand, four hundred three".