11925609 has 8 divisors (see below), whose sum is σ = 15937152. Its totient is φ = 7932240.

The previous prime is 11925593. The next prime is 11925623. The reversal of 11925609 is 90652911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11925609 - 2⁴ = 11925593 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11925609.

It is not an unprimeable number, because it can be changed into a prime (11925709) 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, 2929 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1992144).

Almost surely, 2^11925609 is an apocalyptic number.

It is an amenable number.

11925609 is a deficient number, since it is larger than the sum of its proper divisors (4011543).

11925609 is an equidigital number, since it uses as much as digits as its factorization.

11925609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 11925609 is about 3453.3475064059. The cubic root of 11925609 is about 228.4687762081.

The spelling of 11925609 in words is "eleven million, nine hundred twenty-five thousand, six hundred nine".