12105254 has 24 divisors (see below), whose sum is σ = 21349008. Its totient is φ = 5132400.

The previous prime is 12105211. The next prime is 12105271. The reversal of 12105254 is 45250121.

12105254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9287 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (889542).

Almost surely, 2^12105254 is an apocalyptic number.

12105254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12105254 is a deficient number, since it is larger than the sum of its proper divisors (9243754).

12105254 is a wasteful number, since it uses less digits than its factorization.

12105254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12105254 is about 3479.2605536234. The cubic root of 12105254 is about 229.6102662473.

Adding to 12105254 its reverse (45250121), we get a palindrome (57355375).

The spelling of 12105254 in words is "twelve million, one hundred five thousand, two hundred fifty-four".