13247635403 has 2 divisors, whose sum is σ = 13247635404. Its totient is φ = 13247635402.

The previous prime is 13247635399. The next prime is 13247635421. The reversal of 13247635403 is 30453674231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13247635403 - 2² = 13247635399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13247635483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623817701 + 6623817702.

It is an arithmetic number, because the mean of its divisors is an integer number (6623817702).

Almost surely, 2^13247635403 is an apocalyptic number.

13247635403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247635403 is an equidigital number, since it uses as much as digits as its factorization.

13247635403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 13247635403 in words is "thirteen billion, two hundred forty-seven million, six hundred thirty-five thousand, four hundred three".