12887651 has 8 divisors (see below), whose sum is σ = 14949120. Its totient is φ = 10881288.

The previous prime is 12887627. The next prime is 12887657. The reversal of 12887651 is 15678821.

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 12887651 - 2⁶ = 12887587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12887657) 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 7 ways as a sum of consecutive naturals, for example, 13271 + ... + 14208.

It is an arithmetic number, because the mean of its divisors is an integer number (1868640).

Almost surely, 2^12887651 is an apocalyptic number.

12887651 is a deficient number, since it is larger than the sum of its proper divisors (2061469).

12887651 is an equidigital number, since it uses as much as digits as its factorization.

12887651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27553.

The product of its digits is 26880, while the sum is 38.

The square root of 12887651 is about 3589.9374646364. The cubic root of 12887651 is about 234.4541488179.

The spelling of 12887651 in words is "twelve million, eight hundred eighty-seven thousand, six hundred fifty-one".