12141444 has 24 divisors (see below), whose sum is σ = 32377408. Its totient is φ = 3468960.

The previous prime is 12141443. The next prime is 12141449. The reversal of 12141444 is 44414121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12141444.

It is not an unprimeable number, because it can be changed into a prime (12141443) 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, 72187 + ... + 72354.

Almost surely, 2^12141444 is an apocalyptic number.

12141444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12141444 is an abundant number, since it is smaller than the sum of its proper divisors (20235964).

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

12141444 is a wasteful number, since it uses less digits than its factorization.

12141444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144555 (or 144553 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 12141444 is about 3484.4574900549. The cubic root of 12141444 is about 229.8388537251.

Adding to 12141444 its reverse (44414121), we get a palindrome (56555565).

The spelling of 12141444 in words is "twelve million, one hundred forty-one thousand, four hundred forty-four".