12082578 has 16 divisors (see below), whose sum is σ = 24343200. Its totient is φ = 3997856.

The previous prime is 12082573. The next prime is 12082627. The reversal of 12082578 is 87528021.

12082578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12082578² = 291977382252168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12082573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6528 + ... + 8171.

It is an arithmetic number, because the mean of its divisors is an integer number (1521450).

Almost surely, 2^12082578 is an apocalyptic number.

12082578 is an abundant number, since it is smaller than the sum of its proper divisors (12260622).

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

12082578 is a wasteful number, since it uses less digits than its factorization.

12082578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 12082578 is about 3476.0002876870. Note that the first 3 decimals coincide. The cubic root of 12082578 is about 229.4668052103.

The spelling of 12082578 in words is "twelve million, eighty-two thousand, five hundred seventy-eight".