12153512 has 16 divisors (see below), whose sum is σ = 26043360. Its totient is φ = 5208624.

The previous prime is 12153511. The next prime is 12153517. The reversal of 12153512 is 21535121.

It is a happy number.

12153512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12153511) 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, 108458 + ... + 108569.

It is an arithmetic number, because the mean of its divisors is an integer number (1627710).

Almost surely, 2^12153512 is an apocalyptic number.

It is an amenable number.

12153512 is an abundant number, since it is smaller than the sum of its proper divisors (13889848).

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

12153512 is a wasteful number, since it uses less digits than its factorization.

12153512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217040 (or 217036 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 12153512 is about 3486.1887499101. The cubic root of 12153512 is about 229.9149780264.

Adding to 12153512 its reverse (21535121), we get a palindrome (33688633).

The spelling of 12153512 in words is "twelve million, one hundred fifty-three thousand, five hundred twelve".