10428520 has 16 divisors (see below), whose sum is σ = 23464260. Its totient is φ = 4171392.

The previous prime is 10428503. The next prime is 10428527. The reversal of 10428520 is 2582401.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 1052676 = 3062^2 + 1026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10428491 and 10428500.

It is not an unprimeable number, because it can be changed into a prime (10428527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130317 + ... + 130396.

Almost surely, 2^10428520 is an apocalyptic number.

10428520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10428520 is an abundant number, since it is smaller than the sum of its proper divisors (13035740).

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

10428520 is a wasteful number, since it uses less digits than its factorization.

10428520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260724 (or 260720 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 10428520 is about 3229.3219102468. The cubic root of 10428520 is about 218.4779235062.

The spelling of 10428520 in words is "ten million, four hundred twenty-eight thousand, five hundred twenty".