13280922 has 28 divisors (see below), whose sum is σ = 29871690. Its totient is φ = 4426488.

The previous prime is 13280921. The next prime is 13280933. The reversal of 13280922 is 22908231.

It is a happy number.

13280922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 385641 = 3591^2 + 621^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13280921) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3097 + ... + 6012.

Almost surely, 2^13280922 is an apocalyptic number.

13280922 is an abundant number, since it is smaller than the sum of its proper divisors (16590768).

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

13280922 is an frugal number, since it uses more digits than its factorization.

13280922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 13280922 is about 3644.2999327717. The cubic root of 13280922 is about 236.8151097652.

The spelling of 13280922 in words is "thirteen million, two hundred eighty thousand, nine hundred twenty-two".