12578058 has 32 divisors (see below), whose sum is σ = 28142400. Its totient is φ = 4164048.

The previous prime is 12578047. The next prime is 12578063. The reversal of 12578058 is 85087521.

It is a super-3 number, since 3×12578058³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8088 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (879450).

Almost surely, 2^12578058 is an apocalyptic number.

12578058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12578058 is an abundant number, since it is smaller than the sum of its proper divisors (15564342).

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

12578058 is a wasteful number, since it uses less digits than its factorization.

12578058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 12578058 is about 3546.5557940063. Note that the first 3 decimals coincide. The cubic root of 12578058 is about 232.5615237807.

The spelling of 12578058 in words is "twelve million, five hundred seventy-eight thousand, fifty-eight".