10680987 has 4 divisors (see below), whose sum is σ = 14241320. Its totient is φ = 7120656.

The previous prime is 10680977. The next prime is 10681009. The reversal of 10680987 is 78908601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78908601 = 3 ⋅26302867.

It is not a de Polignac number, because 10680987 - 2⁸ = 10680731 is a prime.

It is a super-2 number, since 2×10680987² = 228166966588338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10680977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780162 + ... + 1780167.

It is an arithmetic number, because the mean of its divisors is an integer number (3560330).

Almost surely, 2^10680987 is an apocalyptic number.

10680987 is a deficient number, since it is larger than the sum of its proper divisors (3560333).

10680987 is an equidigital number, since it uses as much as digits as its factorization.

10680987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560332.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 10680987 is about 3268.1779327325. The cubic root of 10680987 is about 220.2269489976.

The spelling of 10680987 in words is "ten million, six hundred eighty thousand, nine hundred eighty-seven".