10711987 has 16 divisors (see below), whose sum is σ = 12686688. Its totient is φ = 8916480.

The previous prime is 10711979. The next prime is 10711993. The reversal of 10711987 is 78911701.

It is a cyclic number.

It is not a de Polignac number, because 10711987 - 2³ = 10711979 is a prime.

It is a super-2 number, since 2×10711987² = 229493330976338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10711937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24523 + ... + 24955.

It is an arithmetic number, because the mean of its divisors is an integer number (792918).

Almost surely, 2^10711987 is an apocalyptic number.

10711987 is a deficient number, since it is larger than the sum of its proper divisors (1974701).

10711987 is a wasteful number, since it uses less digits than its factorization.

10711987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 10711987 is about 3272.9172002970. The cubic root of 10711987 is about 220.4398020240.

The spelling of 10711987 in words is "ten million, seven hundred eleven thousand, nine hundred eighty-seven".