10689725 has 12 divisors (see below), whose sum is σ = 13579860. Its totient is φ = 8342400.

The previous prime is 10689713. The next prime is 10689737. The reversal of 10689725 is 52798601.

It is an interprime number because it is at equal distance from previous prime (10689713) and next prime (10689737).

It can be written as a sum of positive squares in 6 ways, for example, as 68644 + 10621081 = 262^2 + 3259^2 .

It is not a de Polignac number, because 10689725 - 2¹⁸ = 10427581 is a prime.

It is a super-2 number, since 2×10689725² = 228540441151250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4190 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (1131655).

Almost surely, 2^10689725 is an apocalyptic number.

It is an amenable number.

10689725 is a deficient number, since it is larger than the sum of its proper divisors (2890135).

10689725 is a wasteful number, since it uses less digits than its factorization.

10689725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480 (or 10475 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 10689725 is about 3269.5144899511. The cubic root of 10689725 is about 220.2869877236.

The spelling of 10689725 in words is "ten million, six hundred eighty-nine thousand, seven hundred twenty-five".