10587891 has 8 divisors (see below), whose sum is σ = 14134480. Its totient is φ = 7049952.

The previous prime is 10587887. The next prime is 10587917. The reversal of 10587891 is 19878501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10587891 - 2² = 10587887 is a prime.

It is a super-2 number, since 2×10587891² = 224206871655762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10587091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (1766810).

Almost surely, 2^10587891 is an apocalyptic number.

10587891 is a deficient number, since it is larger than the sum of its proper divisors (3546589).

10587891 is a wasteful number, since it uses less digits than its factorization.

10587891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 10587891 is about 3253.9039629344. The cubic root of 10587891 is about 219.5852447443.

The spelling of 10587891 in words is "ten million, five hundred eighty-seven thousand, eight hundred ninety-one".