10685280 has 96 divisors (see below), whose sum is σ = 34128864. Its totient is φ = 2809856.

The previous prime is 10685273. The next prime is 10685293. The reversal of 10685280 is 8258601.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×10685280² = 228350417356800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54142 + ... + 54338.

It is an arithmetic number, because the mean of its divisors is an integer number (355509).

Almost surely, 2^10685280 is an apocalyptic number.

10685280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10685280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17064432).

10685280 is an abundant number, since it is smaller than the sum of its proper divisors (23443584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10685280 is a wasteful number, since it uses less digits than its factorization.

10685280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 10685280 is about 3268.8346547355. The cubic root of 10685280 is about 220.2564502554.

The spelling of 10685280 in words is "ten million, six hundred eighty-five thousand, two hundred eighty".