13532020 has 12 divisors (see below), whose sum is σ = 28417284. Its totient is φ = 5412800.

The previous prime is 13532003. The next prime is 13532039. The reversal of 13532020 is 2023531.

It can be written as a sum of positive squares in 2 ways, for example, as 5363856 + 8168164 = 2316^2 + 2858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13531985 and 13532003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338281 + ... + 338320.

It is an arithmetic number, because the mean of its divisors is an integer number (2368107).

Almost surely, 2^13532020 is an apocalyptic number.

13532020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13532020 is an abundant number, since it is smaller than the sum of its proper divisors (14885264).

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

13532020 is a wasteful number, since it uses less digits than its factorization.

13532020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676610 (or 676608 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 13532020 is about 3678.5894035622. The cubic root of 13532020 is about 238.2982631604.

Adding to 13532020 its reverse (2023531), we get a palindrome (15555551).

The spelling of 13532020 in words is "thirteen million, five hundred thirty-two thousand, twenty".