13507003 has 8 divisors (see below), whose sum is σ = 14221728. Its totient is φ = 12802944.

The previous prime is 13506973. The next prime is 13507009. The reversal of 13507003 is 30070531.

13507003 is a nontrivial binomial coefficient, being equal to C(5198, 2).

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 13507003 - 2²¹ = 11409851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13507009) 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, 1 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (1777716).

Almost surely, 2^13507003 is an apocalyptic number.

13507003 is the 5197-th triangular number and also the 2599-th hexagonal number.

13507003 is the 1733-rd centered nonagonal number.

13507003 is a deficient number, since it is larger than the sum of its proper divisors (714725).

13507003 is a wasteful number, since it uses less digits than its factorization.

13507003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 13507003 is about 3675.1874782111. The cubic root of 13507003 is about 238.1513231579.

Adding to 13507003 its reverse (30070531), we get a palindrome (43577534).

The spelling of 13507003 in words is "thirteen million, five hundred seven thousand, three".