13709903 has 2 divisors, whose sum is σ = 13709904. Its totient is φ = 13709902.

The previous prime is 13709873. The next prime is 13709921. The reversal of 13709903 is 30990731.

It is a happy number.

13709903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13709903 - 2¹² = 13705807 is a prime.

It is a super-2 number, since 2×13709903² = 375922880538818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13709903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13709923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6854951 + 6854952.

It is an arithmetic number, because the mean of its divisors is an integer number (6854952).

Almost surely, 2^13709903 is an apocalyptic number.

13709903 is a deficient number, since it is larger than the sum of its proper divisors (1).

13709903 is an equidigital number, since it uses as much as digits as its factorization.

13709903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 13709903 is about 3702.6886177479. The cubic root of 13709903 is about 239.3378914997.

The spelling of 13709903 in words is "thirteen million, seven hundred nine thousand, nine hundred three".