12405264 has 20 divisors (see below), whose sum is σ = 32047056. Its totient is φ = 4135072.

The previous prime is 12405221. The next prime is 12405269. The reversal of 12405264 is 46250421.

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 (12405269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129174 + ... + 129269.

Almost surely, 2^12405264 is an apocalyptic number.

It is an amenable number.

12405264 is an abundant number, since it is smaller than the sum of its proper divisors (19641792).

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

12405264 is a wasteful number, since it uses less digits than its factorization.

12405264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258454 (or 258448 counting only the distinct ones).

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

The square root of 12405264 is about 3522.1107307977. The cubic root of 12405264 is about 231.4916534985.

Adding to 12405264 its reverse (46250421), we get a palindrome (58655685).

The spelling of 12405264 in words is "twelve million, four hundred five thousand, two hundred sixty-four".