10512520 has 32 divisors (see below), whose sum is σ = 23765400. Its totient is φ = 4185088.

The previous prime is 10512493. The next prime is 10512533. The reversal of 10512520 is 2521501.

It can be written as a sum of positive squares in 4 ways, for example, as 8421604 + 2090916 = 2902^2 + 1446^2 .

It is a super-2 number, since 2×10512520² = 221026153500800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10512494 and 10512503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10272 + ... + 11248.

Almost surely, 2^10512520 is an apocalyptic number.

10512520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10512520 is an abundant number, since it is smaller than the sum of its proper divisors (13252880).

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

10512520 is a wasteful number, since it uses less digits than its factorization.

10512520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10512520 is about 3242.3016516049. The cubic root of 10512520 is about 219.0629566780.

It can be divided in two parts, 105125 and 20, that multiplied together give a square (2102500 = 1450²).

The spelling of 10512520 in words is "ten million, five hundred twelve thousand, five hundred twenty".