12953223 has 8 divisors (see below), whose sum is σ = 19190000. Its totient is φ = 8635464.

The previous prime is 12953221. The next prime is 12953243. The reversal of 12953223 is 32235921.

12953223 is a `hidden beast` number, since 129 + 532 + 2 + 3 = 666.

12953223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12953223 - 2¹ = 12953221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 479749 = 12953223 / (1 + 2 + 9 + 5 + 3 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239848 + ... + 239901.

It is an arithmetic number, because the mean of its divisors is an integer number (2398750).

Almost surely, 2^12953223 is an apocalyptic number.

12953223 is a deficient number, since it is larger than the sum of its proper divisors (6236777).

12953223 is an equidigital number, since it uses as much as digits as its factorization.

12953223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479758 (or 479752 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 12953223 is about 3599.0586269190. The cubic root of 12953223 is about 234.8511083407.

The spelling of 12953223 in words is "twelve million, nine hundred fifty-three thousand, two hundred twenty-three".