11329609 has 4 divisors (see below), whose sum is σ = 11345680. Its totient is φ = 11313540.

The previous prime is 11329607. The next prime is 11329621. The reversal of 11329609 is 90692311.

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.

It is a cyclic number.

It is not a de Polignac number, because 11329609 - 2¹ = 11329607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11329607) 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, 6927 + ... + 8404.

It is an arithmetic number, because the mean of its divisors is an integer number (2836420).

Almost surely, 2^11329609 is an apocalyptic number.

It is an amenable number.

11329609 is a deficient number, since it is larger than the sum of its proper divisors (16071).

11329609 is an equidigital number, since it uses as much as digits as its factorization.

11329609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 11329609 is about 3365.9484547450. The cubic root of 11329609 is about 224.5975290651.

The spelling of 11329609 in words is "eleven million, three hundred twenty-nine thousand, six hundred nine".