12354144 has 48 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 3743360.

The previous prime is 12354143. The next prime is 12354157. The reversal of 12354144 is 44145321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354143) 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, 4794 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 2^12354144 is an apocalyptic number.

It is an amenable number.

12354144 is an abundant number, since it is smaller than the sum of its proper divisors (23026656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12354144 is a wasteful number, since it uses less digits than its factorization.

12354144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723 (or 11715 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 12354144 is about 3514.8462270774. The cubic root of 12354144 is about 231.1732363667.

Adding to 12354144 its reverse (44145321), we get a palindrome (56499465).

The spelling of 12354144 in words is "twelve million, three hundred fifty-four thousand, one hundred forty-four".