12030357 has 16 divisors (see below), whose sum is σ = 16957440. Its totient is φ = 7570992.

The previous prime is 12030353. The next prime is 12030371. The reversal of 12030357 is 75303021.

It is a happy number.

It is not a de Polignac number, because 12030357 - 2² = 12030353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4348 + ... + 6554.

It is an arithmetic number, because the mean of its divisors is an integer number (1059840).

Almost surely, 2^12030357 is an apocalyptic number.

It is an amenable number.

12030357 is a deficient number, since it is larger than the sum of its proper divisors (4927083).

12030357 is a wasteful number, since it uses less digits than its factorization.

12030357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 12030357 is about 3468.4805030445. The cubic root of 12030357 is about 229.1357420016.

Adding to 12030357 its reverse (75303021), we get a palindrome (87333378).

The spelling of 12030357 in words is "twelve million, thirty thousand, three hundred fifty-seven".