13280023 has 4 divisors (see below), whose sum is σ = 13603968. Its totient is φ = 12956080.

The previous prime is 13280021. The next prime is 13280041. The reversal of 13280023 is 32008231.

It is a happy number.

13280023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32008231 = 757 ⋅42283.

It is a cyclic number.

It is not a de Polignac number, because 13280023 - 2¹ = 13280021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280021) 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, 161911 + ... + 161992.

It is an arithmetic number, because the mean of its divisors is an integer number (3400992).

Almost surely, 2^13280023 is an apocalyptic number.

13280023 is a deficient number, since it is larger than the sum of its proper divisors (323945).

13280023 is an equidigital number, since it uses as much as digits as its factorization.

13280023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323944.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13280023 is about 3644.1765873788. The cubic root of 13280023 is about 236.8097662209.

Adding to 13280023 its reverse (32008231), we get a palindrome (45288254).

The spelling of 13280023 in words is "thirteen million, two hundred eighty thousand, twenty-three".