12888587 has 4 divisors (see below), whose sum is σ = 12909336. Its totient is φ = 12867840.

The previous prime is 12888583. The next prime is 12888607. The reversal of 12888587 is 78588821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78588821 = 43 ⋅1827647.

It is a cyclic number.

It is not a de Polignac number, because 12888587 - 2² = 12888583 is a prime.

It is a super-2 number, since 2×12888587² = 332231349713138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12888583) 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, 9413 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (3227334).

Almost surely, 2^12888587 is an apocalyptic number.

12888587 is a deficient number, since it is larger than the sum of its proper divisors (20749).

12888587 is an equidigital number, since it uses as much as digits as its factorization.

12888587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20748.

The product of its digits is 286720, while the sum is 47.

The square root of 12888587 is about 3590.0678266573. The cubic root of 12888587 is about 234.4598246330.

The spelling of 12888587 in words is "twelve million, eight hundred eighty-eight thousand, five hundred eighty-seven".