10686988 has 12 divisors (see below), whose sum is σ = 20140960. Its totient is φ = 4932432.

The previous prime is 10686983. The next prime is 10687007. The reversal of 10686988 is 88968601.

It is a super-2 number, since 2×10686988² = 228423425024288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10686983) 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, 102708 + ... + 102811.

Almost surely, 2^10686988 is an apocalyptic number.

It is an amenable number.

10686988 is a deficient number, since it is larger than the sum of its proper divisors (9453972).

10686988 is a wasteful number, since it uses less digits than its factorization.

10686988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205536 (or 205534 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 10686988 is about 3269.0958994805. The cubic root of 10686988 is about 220.2681853394.

The spelling of 10686988 in words is "ten million, six hundred eighty-six thousand, nine hundred eighty-eight".