11703609 has 12 divisors (see below), whose sum is σ = 17531696. Its totient is φ = 7802244.

The previous prime is 11703607. The next prime is 11703631. The reversal of 11703609 is 90630711.

11703609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11703609 - 2¹ = 11703607 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11703607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23839 + ... + 24324.

Almost surely, 2^11703609 is an apocalyptic number.

It is an amenable number.

11703609 is a deficient number, since it is larger than the sum of its proper divisors (5828087).

11703609 is an frugal number, since it uses more digits than its factorization.

11703609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48178 (or 48166 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 11703609 is about 3421.0537850200. The cubic root of 11703609 is about 227.0422078617.

The spelling of 11703609 in words is "eleven million, seven hundred three thousand, six hundred nine".