12261254 has 8 divisors (see below), whose sum is σ = 19191600. Its totient is φ = 5864056.

The previous prime is 12261253. The next prime is 12261257. The reversal of 12261254 is 45216221.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133229 + ... + 133320.

It is an arithmetic number, because the mean of its divisors is an integer number (2398950).

Almost surely, 2^12261254 is an apocalyptic number.

12261254 is a deficient number, since it is larger than the sum of its proper divisors (6930346).

12261254 is a wasteful number, since it uses less digits than its factorization.

12261254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266574.

The product of its digits is 960, while the sum is 23.

The square root of 12261254 is about 3501.6073452059. The cubic root of 12261254 is about 230.5923859894.

Adding to 12261254 its reverse (45216221), we get a palindrome (57477475).

The spelling of 12261254 in words is "twelve million, two hundred sixty-one thousand, two hundred fifty-four".