10686994 has 4 divisors (see below), whose sum is σ = 16030494. Its totient is φ = 5343496.

The previous prime is 10686983. The next prime is 10687007. The reversal of 10686994 is 49968601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9394225 + 1292769 = 3065^2 + 1137^2 .

It is a super-2 number, since 2×10686994² = 228423681512072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10686994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2671747 + ... + 2671750.

Almost surely, 2^10686994 is an apocalyptic number.

10686994 is a deficient number, since it is larger than the sum of its proper divisors (5343500).

10686994 is an equidigital number, since it uses as much as digits as its factorization.

10686994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343499.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 10686994 is about 3269.0968171653. The cubic root of 10686994 is about 220.2682265612.

The spelling of 10686994 in words is "ten million, six hundred eighty-six thousand, nine hundred ninety-four".