12055698 has 24 divisors (see below), whose sum is σ = 26615628. Its totient is φ = 3942432.

The previous prime is 12055697. The next prime is 12055711. The reversal of 12055698 is 89655021.

It is a happy number.

12055698 is a `hidden beast` number, since 12 + 0 + 556 + 98 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11881809 + 173889 = 3447^2 + 417^2 .

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (12055697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5365 + ... + 7272.

Almost surely, 2^12055698 is an apocalyptic number.

12055698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12055698 is an abundant number, since it is smaller than the sum of its proper divisors (14559930).

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

12055698 is a wasteful number, since it uses less digits than its factorization.

12055698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12698 (or 12695 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 12055698 is about 3472.1316219291. The cubic root of 12055698 is about 229.2965146371.

It can be divided in two parts, 1205 and 5698, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 12055698 in words is "twelve million, fifty-five thousand, six hundred ninety-eight".