12163553 has 16 divisors (see below), whose sum is σ = 13374720. Its totient is φ = 11022336.

The previous prime is 12163537. The next prime is 12163561. The reversal of 12163553 is 35536121.

It is a cyclic number.

It is not a de Polignac number, because 12163553 - 2⁴ = 12163537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12163523) by changing a digit.

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, 47201 + ... + 47457.

It is an arithmetic number, because the mean of its divisors is an integer number (835920).

Almost surely, 2^12163553 is an apocalyptic number.

It is an amenable number.

12163553 is a deficient number, since it is larger than the sum of its proper divisors (1211167).

12163553 is a wasteful number, since it uses less digits than its factorization.

12163553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its digits is 2700, while the sum is 26.

The square root of 12163553 is about 3487.6285639385. The cubic root of 12163553 is about 229.9782777217.

Adding to 12163553 its reverse (35536121), we get a palindrome (47699674).

The spelling of 12163553 in words is "twelve million, one hundred sixty-three thousand, five hundred fifty-three".