12205074 has 16 divisors (see below), whose sum is σ = 27897408. Its totient is φ = 3487152.

The previous prime is 12205073. The next prime is 12205097. The reversal of 12205074 is 47050221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12205074.

It is not an unprimeable number, because it can be changed into a prime (12205073) 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 7 ways as a sum of consecutive naturals, for example, 145257 + ... + 145340.

It is an arithmetic number, because the mean of its divisors is an integer number (1743588).

Almost surely, 2^12205074 is an apocalyptic number.

12205074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12205074 is an abundant number, since it is smaller than the sum of its proper divisors (15692334).

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

12205074 is a wasteful number, since it uses less digits than its factorization.

12205074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290609.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12205074 is about 3493.5761047958. The cubic root of 12205074 is about 230.2396619667.

Adding to 12205074 its reverse (47050221), we get a palindrome (59255295).

The spelling of 12205074 in words is "twelve million, two hundred five thousand, seventy-four".