12120464 has 20 divisors (see below), whose sum is σ = 23928156. Its totient is φ = 5945472.

The previous prime is 12120443. The next prime is 12120469. The reversal of 12120464 is 46402121.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 8952064 = 1780^2 + 2992^2 .

It is not an unprimeable number, because it can be changed into a prime (12120469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6299 + ... + 7994.

Almost surely, 2^12120464 is an apocalyptic number.

It is an amenable number.

12120464 is a deficient number, since it is larger than the sum of its proper divisors (11807692).

12120464 is a wasteful number, since it uses less digits than its factorization.

12120464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14354 (or 14348 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12120464 is about 3481.4456767268. The cubic root of 12120464 is about 229.7063928402.

Adding to 12120464 its reverse (46402121), we get a palindrome (58522585).

The spelling of 12120464 in words is "twelve million, one hundred twenty thousand, four hundred sixty-four".