13007903 has 8 divisors (see below), whose sum is σ = 13747200. Its totient is φ = 12283128.

The previous prime is 13007899. The next prime is 13007923. The reversal of 13007903 is 30970031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13007903 - 2² = 13007899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13007923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (1718400).

Almost surely, 2^13007903 is an apocalyptic number.

13007903 is a deficient number, since it is larger than the sum of its proper divisors (739297).

13007903 is an equidigital number, since it uses as much as digits as its factorization.

13007903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 13007903 is about 3606.6470578641. The cubic root of 13007903 is about 235.1811068072.

Adding to 13007903 its reverse (30970031), we get a palindrome (43977934).

The spelling of 13007903 in words is "thirteen million, seven thousand, nine hundred three".