12256464 has 80 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 3665280.

The previous prime is 12256427. The next prime is 12256469. The reversal of 12256464 is 46465221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73309 + ... + 73475.

It is an arithmetic number, because the mean of its divisors is an integer number (437472).

Almost surely, 2^12256464 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 12256464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17498880).

12256464 is an abundant number, since it is smaller than the sum of its proper divisors (22741296).

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

12256464 is a wasteful number, since it uses less digits than its factorization.

12256464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 12256464 is about 3500.9233067864. The cubic root of 12256464 is about 230.5623542218.

It can be divided in two parts, 12256 and 464, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 12256464 in words is "twelve million, two hundred fifty-six thousand, four hundred sixty-four".