10686993 has 8 divisors (see below), whose sum is σ = 14740800. Its totient is φ = 6878928.

The previous prime is 10686983. The next prime is 10687007. The reversal of 10686993 is 39968601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10686993 - 2¹² = 10682897 is a prime.

It is a super-2 number, since 2×10686993² = 228423638764098, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10686913) 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, 61333 + ... + 61506.

It is an arithmetic number, because the mean of its divisors is an integer number (1842600).

Almost surely, 2^10686993 is an apocalyptic number.

It is an amenable number.

10686993 is a deficient number, since it is larger than the sum of its proper divisors (4053807).

10686993 is a wasteful number, since it uses less digits than its factorization.

10686993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122871.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 10686993 is about 3269.0966642178. The cubic root of 10686993 is about 220.2682196909.

The spelling of 10686993 in words is "ten million, six hundred eighty-six thousand, nine hundred ninety-three".