13131703 has 4 divisors (see below), whose sum is σ = 14141848. Its totient is φ = 12121560.

The previous prime is 13131661. The next prime is 13131719. The reversal of 13131703 is 30713131.

It is a happy number.

13131703 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505053 + ... + 505078.

It is an arithmetic number, because the mean of its divisors is an integer number (3535462).

Almost surely, 2^13131703 is an apocalyptic number.

13131703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13131703 is a deficient number, since it is larger than the sum of its proper divisors (1010145).

13131703 is a wasteful number, since it uses less digits than its factorization.

13131703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010144.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 13131703 is about 3623.7691703529. The cubic root of 13131703 is about 235.9248479949.

Adding to 13131703 its reverse (30713131), we get a palindrome (43844834).

The spelling of 13131703 in words is "thirteen million, one hundred thirty-one thousand, seven hundred three".