12455047 has 8 divisors (see below), whose sum is σ = 13876992. Its totient is φ = 11081400.

The previous prime is 12455039. The next prime is 12455057. The reversal of 12455047 is 74055421.

12455047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12455047 - 2³ = 12455039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455057) 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, 11529 + ... + 12562.

It is an arithmetic number, because the mean of its divisors is an integer number (1734624).

Almost surely, 2^12455047 is an apocalyptic number.

12455047 is a deficient number, since it is larger than the sum of its proper divisors (1421945).

12455047 is a wasteful number, since it uses less digits than its factorization.

12455047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24149.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 12455047 is about 3529.1708657984. The cubic root of 12455047 is about 231.8009030590.

The spelling of 12455047 in words is "twelve million, four hundred fifty-five thousand, forty-seven".