13212023 has 16 divisors (see below), whose sum is σ = 15120000. Its totient is φ = 11434080.

The previous prime is 13212013. The next prime is 13212053. The reversal of 13212023 is 32021231.

It is a happy number.

It is not a de Polignac number, because 13212023 - 2⁴ = 13212007 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13211989 and 13212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26228 + ... + 26726.

It is an arithmetic number, because the mean of its divisors is an integer number (945000).

Almost surely, 2^13212023 is an apocalyptic number.

13212023 is a deficient number, since it is larger than the sum of its proper divisors (1907977).

13212023 is a wasteful number, since it uses less digits than its factorization.

13212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13212023 is about 3634.8346592383. The cubic root of 13212023 is about 236.4048816897.

Adding to 13212023 its reverse (32021231), we get a palindrome (45233254).

The spelling of 13212023 in words is "thirteen million, two hundred twelve thousand, twenty-three".