10512840 has 128 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 2466816.

The previous prime is 10512839. The next prime is 10512883. The reversal of 10512840 is 4821501.

It is a super-2 number, since 2×10512840² = 221039609731200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35734 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (277830).

Almost surely, 2^10512840 is an apocalyptic number.

10512840 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 10512840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17781120).

10512840 is an abundant number, since it is smaller than the sum of its proper divisors (25049400).

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

10512840 is a wasteful number, since it uses less digits than its factorization.

10512840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 10512840 is about 3242.3509988895. The cubic root of 10512840 is about 219.0651794066.

The spelling of 10512840 in words is "ten million, five hundred twelve thousand, eight hundred forty".