12942587 has 8 divisors (see below), whose sum is σ = 14892000. Its totient is φ = 11018304.

The previous prime is 12942571. The next prime is 12942607. The reversal of 12942587 is 78524921.

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 12942587 - 2⁴ = 12942571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12942587.

It is not an unprimeable number, because it can be changed into a prime (12942487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5162 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (1861500).

Almost surely, 2^12942587 is an apocalyptic number.

12942587 is a deficient number, since it is larger than the sum of its proper divisors (1949413).

12942587 is a wasteful number, since it uses less digits than its factorization.

12942587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12565.

The product of its digits is 40320, while the sum is 38.

The square root of 12942587 is about 3597.5807148694. The cubic root of 12942587 is about 234.7868113346.

It can be divided in two parts, 1294 and 2587, that multiplied together give a triangular number (3347578 = T₂₅₈₇).

The spelling of 12942587 in words is "twelve million, nine hundred forty-two thousand, five hundred eighty-seven".