12153842 has 8 divisors (see below), whose sum is σ = 18859500. Its totient is φ = 5867344.

The previous prime is 12153803. The next prime is 12153847. The reversal of 12153842 is 24835121.

It can be written as a sum of positive squares in 2 ways, for example, as 12117361 + 36481 = 3481^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12153847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104717 + ... + 104832.

Almost surely, 2^12153842 is an apocalyptic number.

12153842 is a deficient number, since it is larger than the sum of its proper divisors (6705658).

12153842 is a wasteful number, since it uses less digits than its factorization.

12153842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209580.

The product of its digits is 1920, while the sum is 26.

The square root of 12153842 is about 3486.2360792121. The cubic root of 12153842 is about 229.9170589408.

Adding to 12153842 its reverse (24835121), we get a palindrome (36988963).

The spelling of 12153842 in words is "twelve million, one hundred fifty-three thousand, eight hundred forty-two".