10587987 has 24 divisors (see below), whose sum is σ = 16005600. Its totient is φ = 6736128.

The previous prime is 10587979. The next prime is 10588001. The reversal of 10587987 is 78978501.

10587987 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10587987 - 2³ = 10587979 is a prime.

It is a super-2 number, since 2×10587987² = 224210937424338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10587917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29314 + ... + 29672.

It is an arithmetic number, because the mean of its divisors is an integer number (666900).

Almost surely, 2^10587987 is an apocalyptic number.

10587987 is a deficient number, since it is larger than the sum of its proper divisors (5417613).

10587987 is a wasteful number, since it uses less digits than its factorization.

10587987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 10587987 is about 3253.9187144119. The cubic root of 10587987 is about 219.5859083993.

It can be divided in two parts, 1058 and 7987, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 10587987 in words is "ten million, five hundred eighty-seven thousand, nine hundred eighty-seven".