10687995 has 24 divisors (see below), whose sum is σ = 18704400. Its totient is φ = 5645376.

The previous prime is 10687991. The next prime is 10687997. The reversal of 10687995 is 59978601.

It is not a de Polignac number, because 10687995 - 2² = 10687991 is a prime.

It is a super-2 number, since 2×10687995² = 228466474240050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10687995.

It is not an unprimeable number, because it can be changed into a prime (10687991) 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, 3816 + ... + 5994.

It is an arithmetic number, because the mean of its divisors is an integer number (779350).

Almost surely, 2^10687995 is an apocalyptic number.

10687995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10687995 is the 1635-th decagonal number.

10687995 is a deficient number, since it is larger than the sum of its proper divisors (8016405).

10687995 is a wasteful number, since it uses less digits than its factorization.

10687995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299 (or 2296 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 10687995 is about 3269.2499139711. The cubic root of 10687995 is about 220.2751035062.

The spelling of 10687995 in words is "ten million, six hundred eighty-seven thousand, nine hundred ninety-five".