12059409 has 16 divisors (see below), whose sum is σ = 17133120. Its totient is φ = 7518720.

The previous prime is 12059387. The next prime is 12059413. The reversal of 12059409 is 90495021.

It is a happy number.

It is not a de Polignac number, because 12059409 - 2¹¹ = 12057361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12059459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8469 + ... + 9789.

It is an arithmetic number, because the mean of its divisors is an integer number (1070820).

Almost surely, 2^12059409 is an apocalyptic number.

It is an amenable number.

12059409 is a deficient number, since it is larger than the sum of its proper divisors (5073711).

12059409 is a wasteful number, since it uses less digits than its factorization.

12059409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 12059409 is about 3472.6659787547. The cubic root of 12059409 is about 229.3200396698.

The spelling of 12059409 in words is "twelve million, fifty-nine thousand, four hundred nine".