12153616 has 20 divisors (see below), whose sum is σ = 24787600. Its totient is φ = 5756832.

The previous prime is 12153611. The next prime is 12153619. The reversal of 12153616 is 61635121.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12153611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19686 + ... + 20293.

It is an arithmetic number, because the mean of its divisors is an integer number (1239380).

Almost surely, 2^12153616 is an apocalyptic number.

12153616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12153616 is an abundant number, since it is smaller than the sum of its proper divisors (12633984).

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

12153616 is a wasteful number, since it uses less digits than its factorization.

12153616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40006 (or 40000 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 12153616 is about 3486.2036658807. The cubic root of 12153616 is about 229.9156338338.

Adding to 12153616 its reverse (61635121), we get a palindrome (73788737).

It can be divided in two parts, 12153 and 616, that added together give a square (12769 = 113²).

The spelling of 12153616 in words is "twelve million, one hundred fifty-three thousand, six hundred sixteen".