12445454 has 8 divisors (see below), whose sum is σ = 21335088. Its totient is φ = 5333760.

The previous prime is 12445441. The next prime is 12445469. The reversal of 12445454 is 45454421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12445454² = 309778650532232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444467 + ... + 444494.

It is an arithmetic number, because the mean of its divisors is an integer number (2666886).

Almost surely, 2^12445454 is an apocalyptic number.

12445454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12445454 is a deficient number, since it is larger than the sum of its proper divisors (8889634).

12445454 is an equidigital number, since it uses as much as digits as its factorization.

12445454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888970.

The product of its digits is 12800, while the sum is 29.

The square root of 12445454 is about 3527.8115029009. The cubic root of 12445454 is about 231.7413759932.

Adding to 12445454 its reverse (45454421), we get a palindrome (57899875).

The spelling of 12445454 in words is "twelve million, four hundred forty-five thousand, four hundred fifty-four".