13248220 has 24 divisors (see below), whose sum is σ = 28574784. Its totient is φ = 5155776.

The previous prime is 13248217. The next prime is 13248223. The reversal of 13248220 is 2284231.

13248220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13248217) and next prime (13248223).

It is a junction number, because it is equal to n+sod(n) for n = 13248191 and 13248200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13248223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8212 + ... + 9691.

It is an arithmetic number, because the mean of its divisors is an integer number (1190616).

Almost surely, 2^13248220 is an apocalyptic number.

13248220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13248220 is an abundant number, since it is smaller than the sum of its proper divisors (15326564).

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

13248220 is a wasteful number, since it uses less digits than its factorization.

13248220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17949 (or 17947 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 13248220 is about 3639.8104346243. The cubic root of 13248220 is about 236.6205777694.

The spelling of 13248220 in words is "thirteen million, two hundred forty-eight thousand, two hundred twenty".