12041409 has 8 divisors (see below), whose sum is σ = 16608960. Its totient is φ = 7750736.

The previous prime is 12041401. The next prime is 12041411. The reversal of 12041409 is 90414021.

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

It is a cyclic number.

It is not a de Polignac number, because 12041409 - 2³ = 12041401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12041401) 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, 69117 + ... + 69290.

It is an arithmetic number, because the mean of its divisors is an integer number (2076120).

Almost surely, 2^12041409 is an apocalyptic number.

It is an amenable number.

12041409 is a deficient number, since it is larger than the sum of its proper divisors (4567551).

12041409 is a wasteful number, since it uses less digits than its factorization.

12041409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138439.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12041409 is about 3470.0733421644. The cubic root of 12041409 is about 229.2058876930.

The spelling of 12041409 in words is "twelve million, forty-one thousand, four hundred nine".