10686945 has 16 divisors (see below), whose sum is σ = 17147520. Its totient is φ = 5683584.

The previous prime is 10686943. The next prime is 10686947. The reversal of 10686945 is 54968601.

It is an interprime number because it is at equal distance from previous prime (10686943) and next prime (10686947).

It is not a de Polignac number, because 10686945 - 2¹ = 10686943 is a prime.

It is a super-2 number, since 2×10686945² = 228421586866050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10686943) 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, 6076 + ... + 7634.

It is an arithmetic number, because the mean of its divisors is an integer number (1071720).

Almost surely, 2^10686945 is an apocalyptic number.

10686945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10686945 is a deficient number, since it is larger than the sum of its proper divisors (6460575).

10686945 is a wasteful number, since it uses less digits than its factorization.

10686945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 10686945 is about 3269.0893227319. The cubic root of 10686945 is about 220.2678899165.

The spelling of 10686945 in words is "ten million, six hundred eighty-six thousand, nine hundred forty-five".