12440559 has 8 divisors (see below), whose sum is σ = 16709040. Its totient is φ = 8232896.

The previous prime is 12440557. The next prime is 12440567. The reversal of 12440559 is 95504421.

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 12440559 - 2¹ = 12440557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440551) 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, 14724 + ... + 15545.

It is an arithmetic number, because the mean of its divisors is an integer number (2088630).

Almost surely, 2^12440559 is an apocalyptic number.

12440559 is a deficient number, since it is larger than the sum of its proper divisors (4268481).

12440559 is a wasteful number, since it uses less digits than its factorization.

12440559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30409.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12440559 is about 3527.1176617743. The cubic root of 12440559 is about 231.7109894550.

The spelling of 12440559 in words is "twelve million, four hundred forty thousand, five hundred fifty-nine".