13248020 has 12 divisors (see below), whose sum is σ = 27820884. Its totient is φ = 5299200.

The previous prime is 13248017. The next prime is 13248029. The reversal of 13248020 is 2084231.

It can be written as a sum of positive squares in 2 ways, for example, as 1331716 + 11916304 = 1154^2 + 3452^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 662401 = 13248020 / (1 + 3 + 2 + 4 + 8 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13247983 and 13248001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13248029) 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, 331181 + ... + 331220.

It is an arithmetic number, because the mean of its divisors is an integer number (2318407).

Almost surely, 2^13248020 is an apocalyptic number.

13248020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13248020 is an abundant number, since it is smaller than the sum of its proper divisors (14572864).

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

13248020 is a wasteful number, since it uses less digits than its factorization.

13248020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662410 (or 662408 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 13248020 is about 3639.7829605623. The cubic root of 13248020 is about 236.6193870597.

The spelling of 13248020 in words is "thirteen million, two hundred forty-eight thousand, twenty".