12495887 has 4 divisors (see below), whose sum is σ = 12508320. Its totient is φ = 12483456.

The previous prime is 12495853. The next prime is 12495893. The reversal of 12495887 is 78859421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12495887 - 2¹⁸ = 12233743 is a prime.

It is a super-2 number, since 2×12495887² = 312294383833538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12495827) 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, 4562 + ... + 6767.

It is an arithmetic number, because the mean of its divisors is an integer number (3127080).

Almost surely, 2^12495887 is an apocalyptic number.

12495887 is a deficient number, since it is larger than the sum of its proper divisors (12433).

12495887 is a wasteful number, since it uses less digits than its factorization.

12495887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432.

The product of its digits is 161280, while the sum is 44.

The square root of 12495887 is about 3534.9521920388. The cubic root of 12495887 is about 232.0539844151.

The spelling of 12495887 in words is "twelve million, four hundred ninety-five thousand, eight hundred eighty-seven".