12481887 has 8 divisors (see below), whose sum is σ = 18155520. Its totient is φ = 7564760.

The previous prime is 12481873. The next prime is 12481891. The reversal of 12481887 is 78818421.

It is a happy number.

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 12481887 - 2⁶ = 12481823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189087 + ... + 189152.

It is an arithmetic number, because the mean of its divisors is an integer number (2269440).

Almost surely, 2^12481887 is an apocalyptic number.

12481887 is a deficient number, since it is larger than the sum of its proper divisors (5673633).

12481887 is a wasteful number, since it uses less digits than its factorization.

12481887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378253.

The product of its digits is 28672, while the sum is 39.

The square root of 12481887 is about 3532.9714122817. The cubic root of 12481887 is about 231.9672900277.

The spelling of 12481887 in words is "twelve million, four hundred eighty-one thousand, eight hundred eighty-seven".