11704609 has 4 divisors (see below), whose sum is σ = 13376704. Its totient is φ = 10032516.

The previous prime is 11704607. The next prime is 11704613. The reversal of 11704609 is 90640711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90640711 = 7 ⋅12948673.

It is a cyclic number.

It is not a de Polignac number, because 11704609 - 2¹ = 11704607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11704607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836037 + ... + 836050.

It is an arithmetic number, because the mean of its divisors is an integer number (3344176).

Almost surely, 2^11704609 is an apocalyptic number.

It is an amenable number.

11704609 is a deficient number, since it is larger than the sum of its proper divisors (1672095).

11704609 is an equidigital number, since it uses as much as digits as its factorization.

11704609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672094.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 11704609 is about 3421.1999356951. The cubic root of 11704609 is about 227.0486741219.

The spelling of 11704609 in words is "eleven million, seven hundred four thousand, six hundred nine".