12887597 has 4 divisors (see below), whose sum is σ = 12941760. Its totient is φ = 12833436.

The previous prime is 12887591. The next prime is 12887603. The reversal of 12887597 is 79578821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12887591) and next prime (12887603).

It is a cyclic number.

It is not a de Polignac number, because 12887597 - 2⁸ = 12887341 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 (12887591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26723 + ... + 27200.

It is an arithmetic number, because the mean of its divisors is an integer number (3235440).

Almost surely, 2^12887597 is an apocalyptic number.

It is an amenable number.

12887597 is a deficient number, since it is larger than the sum of its proper divisors (54163).

12887597 is an equidigital number, since it uses as much as digits as its factorization.

12887597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54162.

The product of its digits is 282240, while the sum is 47.

The square root of 12887597 is about 3589.9299436061. The cubic root of 12887597 is about 234.4538213587.

The spelling of 12887597 in words is "twelve million, eight hundred eighty-seven thousand, five hundred ninety-seven".