11952609 has 8 divisors (see below), whose sum is σ = 15960000. Its totient is φ = 7956816.

The previous prime is 11952601. The next prime is 11952623. The reversal of 11952609 is 90625911.

11952609 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11952609 - 2³ = 11952601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11952609.

It is not an unprimeable number, because it can be changed into a prime (11952601) 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, 109 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (1995000).

Almost surely, 2^11952609 is an apocalyptic number.

It is an amenable number.

11952609 is a deficient number, since it is larger than the sum of its proper divisors (4007391).

11952609 is an equidigital number, since it uses as much as digits as its factorization.

11952609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799.

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

The square root of 11952609 is about 3457.2545466020. The cubic root of 11952609 is about 228.6410667092.

It can be divided in two parts, 11952 and 609, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11952609 in words is "eleven million, nine hundred fifty-two thousand, six hundred nine".