10508987 has 8 divisors (see below), whose sum is σ = 10679136. Its totient is φ = 10340352.

The previous prime is 10508977. The next prime is 10508989. The reversal of 10508987 is 78980501.

10508987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10508987 - 2²⁰ = 9460411 is a prime.

It is a super-2 number, since 2×10508987² = 220877615532338, which contains 22 as substring.

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 10508987.

It is not an unprimeable number, because it can be changed into a prime (10508989) 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, 26273 + ... + 26669.

It is an arithmetic number, because the mean of its divisors is an integer number (1334892).

Almost surely, 2^10508987 is an apocalyptic number.

10508987 is a deficient number, since it is larger than the sum of its proper divisors (170149).

10508987 is a wasteful number, since it uses less digits than its factorization.

10508987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 10508987 is about 3241.7567768110. The cubic root of 10508987 is about 219.0384133670.

The spelling of 10508987 in words is "ten million, five hundred eight thousand, nine hundred eighty-seven".