12454066 has 4 divisors (see below), whose sum is σ = 18681102. Its totient is φ = 6227032.

The previous prime is 12454061. The next prime is 12454073. The reversal of 12454066 is 66045421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12453841 + 225 = 3529^2 + 15^2 .

It is not an unprimeable number, because it can be changed into a prime (12454061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113515 + ... + 3113518.

Almost surely, 2^12454066 is an apocalyptic number.

12454066 is a deficient number, since it is larger than the sum of its proper divisors (6227036).

12454066 is an equidigital number, since it uses as much as digits as its factorization.

12454066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227035.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 12454066 is about 3529.0318785752. The cubic root of 12454066 is about 231.7948171016.

Adding to 12454066 its reverse (66045421), we get a palindrome (78499487).

The spelling of 12454066 in words is "twelve million, four hundred fifty-four thousand, sixty-six".