12271454 has 16 divisors (see below), whose sum is σ = 20867280. Its totient is φ = 5365440.

The previous prime is 12271451. The next prime is 12271459. The reversal of 12271454 is 45417221.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12271451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11927 + ... + 12914.

It is an arithmetic number, because the mean of its divisors is an integer number (1304205).

Almost surely, 2^12271454 is an apocalyptic number.

12271454 is a deficient number, since it is larger than the sum of its proper divisors (8595826).

12271454 is a wasteful number, since it uses less digits than its factorization.

12271454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24875.

The product of its digits is 2240, while the sum is 26.

The square root of 12271454 is about 3503.0635164096. The cubic root of 12271454 is about 230.6563106751.

Adding to 12271454 its reverse (45417221), we get a palindrome (57688675).

The spelling of 12271454 in words is "twelve million, two hundred seventy-one thousand, four hundred fifty-four".