12964578 has 32 divisors (see below), whose sum is σ = 29056320. Its totient is φ = 3821760.

The previous prime is 12964577. The next prime is 12964579. The reversal of 12964578 is 87546921.

12964578 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12964577) and next prime (12964579).

It is not an unprimeable number, because it can be changed into a prime (12964577) 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, 213 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (908010).

Almost surely, 2^12964578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12964578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14528160).

12964578 is an abundant number, since it is smaller than the sum of its proper divisors (16091742).

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

12964578 is a wasteful number, since it uses less digits than its factorization.

12964578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362.

The product of its digits is 120960, while the sum is 42.

The square root of 12964578 is about 3600.6357771927. The cubic root of 12964578 is about 234.9197130291.

The spelling of 12964578 in words is "twelve million, nine hundred sixty-four thousand, five hundred seventy-eight".