13650503 has 8 divisors (see below), whose sum is σ = 14169600. Its totient is φ = 13134688.

The previous prime is 13650491. The next prime is 13650517. The reversal of 13650503 is 30505631.

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 13650503 - 2¹² = 13646407 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 (13650563) 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, 10493 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (1771200).

Almost surely, 2^13650503 is an apocalyptic number.

13650503 is a deficient number, since it is larger than the sum of its proper divisors (519097).

13650503 is a wasteful number, since it uses less digits than its factorization.

13650503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 13650503 is about 3694.6587122493. The cubic root of 13650503 is about 238.9917365536.

The spelling of 13650503 in words is "thirteen million, six hundred fifty thousand, five hundred three".