12153020 has 48 divisors (see below), whose sum is σ = 28613088. Its totient is φ = 4296960.

The previous prime is 12153019. The next prime is 12153041. The reversal of 12153020 is 2035121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12152986 and 12153004.

It is a congruent number.

It is an unprimeable number.

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, 7394 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (596106).

Almost surely, 2^12153020 is an apocalyptic number.

12153020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12153020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14306544).

12153020 is an abundant number, since it is smaller than the sum of its proper divisors (16460068).

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

12153020 is a wasteful number, since it uses less digits than its factorization.

12153020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12153020 is about 3486.1181850305. The cubic root of 12153020 is about 229.9118755022.

Adding to 12153020 its reverse (2035121), we get a palindrome (14188141).

The spelling of 12153020 in words is "twelve million, one hundred fifty-three thousand, twenty".