12196555 has 32 divisors (see below), whose sum is σ = 17740800. Its totient is φ = 7869312.

The previous prime is 12196553. The next prime is 12196567. The reversal of 12196555 is 55569121.

12196555 = 106² + 107² + ... + 335².

It is not a de Polignac number, because 12196555 - 2¹ = 12196553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12196555.

It is not an unprimeable number, because it can be changed into a prime (12196553) 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 31 ways as a sum of consecutive naturals, for example, 87676 + ... + 87814.

It is an arithmetic number, because the mean of its divisors is an integer number (554400).

Almost surely, 2^12196555 is an apocalyptic number.

12196555 is a deficient number, since it is larger than the sum of its proper divisors (5544245).

12196555 is a wasteful number, since it uses less digits than its factorization.

12196555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its digits is 13500, while the sum is 34.

The square root of 12196555 is about 3492.3566541807. The cubic root of 12196555 is about 230.1860812946.

The spelling of 12196555 in words is "twelve million, one hundred ninety-six thousand, five hundred fifty-five".