12450887 has 4 divisors (see below), whose sum is σ = 12534600. Its totient is φ = 12367176.

The previous prime is 12450883. The next prime is 12450929. The reversal of 12450887 is 78805421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78805421 = 17 ⋅4635613.

It is a cyclic number.

It is not a de Polignac number, because 12450887 - 2² = 12450883 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 (12450883) 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, 41633 + ... + 41930.

It is an arithmetic number, because the mean of its divisors is an integer number (3133650).

Almost surely, 2^12450887 is an apocalyptic number.

12450887 is a deficient number, since it is larger than the sum of its proper divisors (83713).

12450887 is an equidigital number, since it uses as much as digits as its factorization.

12450887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83712.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 12450887 is about 3528.5814430164. The cubic root of 12450887 is about 231.7750929293.

The spelling of 12450887 in words is "twelve million, four hundred fifty thousand, eight hundred eighty-seven".