13409603 has 2 divisors, whose sum is σ = 13409604. Its totient is φ = 13409602.

The previous prime is 13409587. The next prime is 13409633. The reversal of 13409603 is 30690431.

13409603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13409603 - 2⁴ = 13409587 is a prime.

It is not a weakly prime, because it can be changed into another prime (13409633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704801 + 6704802.

It is an arithmetic number, because the mean of its divisors is an integer number (6704802).

Almost surely, 2^13409603 is an apocalyptic number.

13409603 is a deficient number, since it is larger than the sum of its proper divisors (1).

13409603 is an equidigital number, since it uses as much as digits as its factorization.

13409603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13409603 is about 3661.9124784735. The cubic root of 13409603 is about 237.5774993619.

The spelling of 13409603 in words is "thirteen million, four hundred nine thousand, six hundred three".