12115464 has 48 divisors (see below), whose sum is σ = 32079600. Its totient is φ = 3802464.

The previous prime is 12115463. The next prime is 12115471. The reversal of 12115464 is 46451121.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (12115463) 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 11 ways as a sum of consecutive naturals, for example, 74247 + ... + 74409.

It is an arithmetic number, because the mean of its divisors is an integer number (668325).

Almost surely, 2^12115464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12115464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039800).

12115464 is an abundant number, since it is smaller than the sum of its proper divisors (19964136).

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

12115464 is a wasteful number, since it uses less digits than its factorization.

12115464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 187 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 12115464 is about 3480.7275101622. The cubic root of 12115464 is about 229.6748019173.

Adding to 12115464 its reverse (46451121), we get a palindrome (58566585).

The spelling of 12115464 in words is "twelve million, one hundred fifteen thousand, four hundred sixty-four".