12254561 has 8 divisors (see below), whose sum is σ = 13950144. Its totient is φ = 10655920.

The previous prime is 12254549. The next prime is 12254591. The reversal of 12254561 is 16545221.

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

It is not a de Polignac number, because 12254561 - 2²² = 8060257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12254561.

It is not an unprimeable number, because it can be changed into a prime (12254521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23966 + ... + 24471.

It is an arithmetic number, because the mean of its divisors is an integer number (1743768).

Almost surely, 2^12254561 is an apocalyptic number.

12254561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12254561 is a deficient number, since it is larger than the sum of its proper divisors (1695583).

12254561 is a wasteful number, since it uses less digits than its factorization.

12254561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48471.

The product of its digits is 2400, while the sum is 26.

The square root of 12254561 is about 3500.6515107905. The cubic root of 12254561 is about 230.5504208487.

Adding to 12254561 its reverse (16545221), we get a palindrome (28799782).

The spelling of 12254561 in words is "twelve million, two hundred fifty-four thousand, five hundred sixty-one".