13280923 has 4 divisors (see below), whose sum is σ = 13409968. Its totient is φ = 13151880.

The previous prime is 13280921. The next prime is 13280933. The reversal of 13280923 is 32908231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13280923 - 2¹ = 13280921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13280891 and 13280900.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64368 + ... + 64573.

It is an arithmetic number, because the mean of its divisors is an integer number (3352492).

Almost surely, 2^13280923 is an apocalyptic number.

13280923 is a deficient number, since it is larger than the sum of its proper divisors (129045).

13280923 is a wasteful number, since it uses less digits than its factorization.

13280923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129044.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13280923 is about 3644.3000699723. The cubic root of 13280923 is about 236.8151157090.

The spelling of 13280923 in words is "thirteen million, two hundred eighty thousand, nine hundred twenty-three".