12456087 has 64 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 6082560.

The previous prime is 12456071. The next prime is 12456097. The reversal of 12456087 is 78065421.

12456087 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12456087 - 2⁴ = 12456071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456097) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303787 + ... + 303827.

It is an arithmetic number, because the mean of its divisors is an integer number (344736).

Almost surely, 2^12456087 is an apocalyptic number.

12456087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12456087 is a deficient number, since it is larger than the sum of its proper divisors (9607017).

12456087 is a wasteful number, since it uses less digits than its factorization.

12456087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 12456087 is about 3529.3182061129. The cubic root of 12456087 is about 231.8073546934.

The spelling of 12456087 in words is "twelve million, four hundred fifty-six thousand, eighty-seven".