12153630 has 48 divisors (see below), whose sum is σ = 30021552. Its totient is φ = 3148800.

The previous prime is 12153619. The next prime is 12153653. The reversal of 12153630 is 3635121.

It is a junction number, because it is equal to n+sod(n) for n = 12153597 and 12153606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50310 + ... + 50550.

It is an arithmetic number, because the mean of its divisors is an integer number (625449).

Almost surely, 2^12153630 is an apocalyptic number.

12153630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12153630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15010776).

12153630 is an abundant number, since it is smaller than the sum of its proper divisors (17867922).

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

12153630 is a wasteful number, since it uses less digits than its factorization.

12153630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12153630 is about 3486.2056737949. The cubic root of 12153630 is about 229.9157221153.

Adding to 12153630 its reverse (3635121), we get a palindrome (15788751).

The spelling of 12153630 in words is "twelve million, one hundred fifty-three thousand, six hundred thirty".