10512540 has 36 divisors (see below), whose sum is σ = 31888584. Its totient is φ = 2803296.

The previous prime is 10512539. The next prime is 10512553. The reversal of 10512540 is 4521501.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10512540² = 221026994503200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29022 + ... + 29381.

It is an arithmetic number, because the mean of its divisors is an integer number (885794).

Almost surely, 2^10512540 is an apocalyptic number.

10512540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10512540 is an abundant number, since it is smaller than the sum of its proper divisors (21376044).

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

10512540 is a wasteful number, since it uses less digits than its factorization.

10512540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58418 (or 58413 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10512540 is about 3242.3047358322. The cubic root of 10512540 is about 219.0630955999.

The spelling of 10512540 in words is "ten million, five hundred twelve thousand, five hundred forty".