13002123 has 4 divisors (see below), whose sum is σ = 17336168. Its totient is φ = 8668080.

The previous prime is 13002109. The next prime is 13002131. The reversal of 13002123 is 32120031.

It is a happy number.

13002123 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: 32120031 = 3 ⋅10706677.

It is not a de Polignac number, because 13002123 - 2⁵ = 13002091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13002099 and 13002108.

It is not an unprimeable number, because it can be changed into a prime (13002163) 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, 2167018 + ... + 2167023.

It is an arithmetic number, because the mean of its divisors is an integer number (4334042).

Almost surely, 2^13002123 is an apocalyptic number.

13002123 is a deficient number, since it is larger than the sum of its proper divisors (4334045).

13002123 is an equidigital number, since it uses as much as digits as its factorization.

13002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334044.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13002123 is about 3605.8456705744. The cubic root of 13002123 is about 235.1462677768.

Adding to 13002123 its reverse (32120031), we get a palindrome (45122154).

The spelling of 13002123 in words is "thirteen million, two thousand, one hundred twenty-three".