12653213 has 4 divisors (see below), whose sum is σ = 12698208. Its totient is φ = 12608220.

The previous prime is 12653203. The next prime is 12653227. The reversal of 12653213 is 31235621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31235621 = 157 ⋅198953.

It is a cyclic number.

It is not a de Polignac number, because 12653213 - 2⁸ = 12652957 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 (12653203) 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, 22073 + ... + 22638.

It is an arithmetic number, because the mean of its divisors is an integer number (3174552).

Almost surely, 2^12653213 is an apocalyptic number.

It is an amenable number.

12653213 is a deficient number, since it is larger than the sum of its proper divisors (44995).

12653213 is an equidigital number, since it uses as much as digits as its factorization.

12653213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44994.

The product of its digits is 1080, while the sum is 23.

The square root of 12653213 is about 3557.1355048691. The cubic root of 12653213 is about 233.0237961292.

Adding to 12653213 its reverse (31235621), we get a palindrome (43888834).

The spelling of 12653213 in words is "twelve million, six hundred fifty-three thousand, two hundred thirteen".