12464554 has 4 divisors (see below), whose sum is σ = 18696834. Its totient is φ = 6232276.

The previous prime is 12464549. The next prime is 12464561. The reversal of 12464554 is 45546421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45546421 = 733 ⋅62137.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 458329 = 3465^2 + 677^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3116137 + ... + 3116140.

Almost surely, 2^12464554 is an apocalyptic number.

12464554 is a deficient number, since it is larger than the sum of its proper divisors (6232280).

12464554 is an equidigital number, since it uses as much as digits as its factorization.

12464554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232279.

The product of its digits is 19200, while the sum is 31.

The square root of 12464554 is about 3530.5175258027. The cubic root of 12464554 is about 231.8598663241.

The spelling of 12464554 in words is "twelve million, four hundred sixty-four thousand, five hundred fifty-four".