12459445 has 8 divisors (see below), whose sum is σ = 15601536. Its totient is φ = 9534096.

The previous prime is 12459439. The next prime is 12459457. The reversal of 12459445 is 54495421.

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 12459445 - 2³ = 12459437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12459445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54057 + ... + 54286.

It is an arithmetic number, because the mean of its divisors is an integer number (1950192).

Almost surely, 2^12459445 is an apocalyptic number.

It is an amenable number.

12459445 is a deficient number, since it is larger than the sum of its proper divisors (3142091).

12459445 is a wasteful number, since it uses less digits than its factorization.

12459445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108371.

The product of its digits is 28800, while the sum is 34.

The square root of 12459445 is about 3529.7939033320. The cubic root of 12459445 is about 231.8281835770.

The spelling of 12459445 in words is "twelve million, four hundred fifty-nine thousand, four hundred forty-five".