12144464 has 10 divisors (see below), whose sum is σ = 23529930. Its totient is φ = 6072224.

The previous prime is 12144463. The next prime is 12144481. The reversal of 12144464 is 46444121.

12144464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 2534464 = 3100^2 + 1592^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379499 + ... + 379530.

It is an arithmetic number, because the mean of its divisors is an integer number (2352993).

Almost surely, 2^12144464 is an apocalyptic number.

It is an amenable number.

12144464 is a deficient number, since it is larger than the sum of its proper divisors (11385466).

12144464 is an equidigital number, since it uses as much as digits as its factorization.

12144464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759037 (or 759031 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 12144464 is about 3484.8908160802. The cubic root of 12144464 is about 229.8579084547.

Adding to 12144464 its reverse (46444121), we get a palindrome (58588585).

The spelling of 12144464 in words is "twelve million, one hundred forty-four thousand, four hundred sixty-four".