10521472 has 32 divisors (see below), whose sum is σ = 22576680. Its totient is φ = 4855296.

The previous prime is 10521451. The next prime is 10521499. The reversal of 10521472 is 27412501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×10521472² = 221402746093568, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1498 + ... + 4825.

Almost surely, 2^10521472 is an apocalyptic number.

It is an amenable number.

10521472 is an abundant number, since it is smaller than the sum of its proper divisors (12055208).

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

10521472 is an equidigital number, since it uses as much as digits as its factorization.

10521472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350 (or 6338 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 10521472 is about 3243.6818586292. The cubic root of 10521472 is about 219.1251204980.

Adding to 10521472 its reverse (27412501), we get a palindrome (37933973).

The spelling of 10521472 in words is "ten million, five hundred twenty-one thousand, four hundred seventy-two".