12464223 has 4 divisors (see below), whose sum is σ = 16618968. Its totient is φ = 8309480.

The previous prime is 12464197. The next prime is 12464233. The reversal of 12464223 is 32246421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32246421 = 3 ⋅10748807.

It is a cyclic number.

It is not a de Polignac number, because 12464223 - 2¹² = 12460127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12464193 and 12464202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12464233) 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, 2077368 + ... + 2077373.

It is an arithmetic number, because the mean of its divisors is an integer number (4154742).

Almost surely, 2^12464223 is an apocalyptic number.

12464223 is a deficient number, since it is larger than the sum of its proper divisors (4154745).

12464223 is an equidigital number, since it uses as much as digits as its factorization.

12464223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154744.

The product of its digits is 2304, while the sum is 24.

The square root of 12464223 is about 3530.4706485113. The cubic root of 12464223 is about 231.8578139363.

The spelling of 12464223 in words is "twelve million, four hundred sixty-four thousand, two hundred twenty-three".