13512023 has 4 divisors (see below), whose sum is σ = 15442320. Its totient is φ = 11581728.

The previous prime is 13512013. The next prime is 13512029. The reversal of 13512023 is 32021531.

13512023 is digitally balanced in base 3, 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: 32021531 = 1993 ⋅16067.

It is a cyclic number.

It is not a de Polignac number, because 13512023 - 2⁶ = 13511959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13511992 and 13512010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13512029) 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, 965138 + ... + 965151.

It is an arithmetic number, because the mean of its divisors is an integer number (3860580).

Almost surely, 2^13512023 is an apocalyptic number.

13512023 is a deficient number, since it is larger than the sum of its proper divisors (1930297).

13512023 is an equidigital number, since it uses as much as digits as its factorization.

13512023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930296.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13512023 is about 3675.8703731225. The cubic root of 13512023 is about 238.1808232023.

Adding to 13512023 its reverse (32021531), we get a palindrome (45533554).

The spelling of 13512023 in words is "thirteen million, five hundred twelve thousand, twenty-three".