12030558 has 16 divisors (see below), whose sum is σ = 24224400. Its totient is φ = 3982976.

The previous prime is 12030547. The next prime is 12030559. The reversal of 12030558 is 85503021.

It is a super-3 number, since 3×12030558³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030559) 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, 5835 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (1514025).

Almost surely, 2^12030558 is an apocalyptic number.

12030558 is an abundant number, since it is smaller than the sum of its proper divisors (12193842).

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

12030558 is a wasteful number, since it uses less digits than its factorization.

12030558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12030558 is about 3468.5094781476. The cubic root of 12030558 is about 229.1370181074.

Adding to 12030558 its reverse (85503021), we get a palindrome (97533579).

The spelling of 12030558 in words is "twelve million, thirty thousand, five hundred fifty-eight".