12555449 has 4 divisors (see below), whose sum is σ = 12567936. Its totient is φ = 12542964.

The previous prime is 12555443. The next prime is 12555451. The reversal of 12555449 is 94455521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12555449 - 2¹⁶ = 12489913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12555443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4589 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (3141984).

Almost surely, 2^12555449 is an apocalyptic number.

It is an amenable number.

12555449 is a deficient number, since it is larger than the sum of its proper divisors (12487).

12555449 is a wasteful number, since it uses less digits than its factorization.

12555449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12486.

The product of its digits is 36000, while the sum is 35.

The square root of 12555449 is about 3543.3669016911. The cubic root of 12555449 is about 232.4220974601.

The spelling of 12555449 in words is "twelve million, five hundred fifty-five thousand, four hundred forty-nine".