13650903 has 16 divisors (see below), whose sum is σ = 23112960. Its totient is φ = 7800408.

The previous prime is 13650887. The next prime is 13650913. The reversal of 13650903 is 30905631.

13650903 is a `hidden beast` number, since 1 + 3 + 650 + 9 + 0 + 3 = 666.

13650903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13650903 - 2⁴ = 13650887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35925 + ... + 36302.

It is an arithmetic number, because the mean of its divisors is an integer number (1444560).

Almost surely, 2^13650903 is an apocalyptic number.

13650903 is a deficient number, since it is larger than the sum of its proper divisors (9462057).

13650903 is an equidigital number, since it uses as much as digits as its factorization.

13650903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72243 (or 72237 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 13650903 is about 3694.7128440516. The cubic root of 13650903 is about 238.9940709184.

The spelling of 13650903 in words is "thirteen million, six hundred fifty thousand, nine hundred three".