12209052 has 24 divisors (see below), whose sum is σ = 28598416. Its totient is φ = 4053888.

The previous prime is 12209023. The next prime is 12209063. The reversal of 12209052 is 25090221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1488 + ... + 5160.

Almost surely, 2^12209052 is an apocalyptic number.

12209052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12209052 is an abundant number, since it is smaller than the sum of its proper divisors (16389364).

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

12209052 is a wasteful number, since it uses less digits than its factorization.

12209052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957 (or 3955 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12209052 is about 3494.1453890758. The cubic root of 12209052 is about 230.2646732554.

Adding to 12209052 its reverse (25090221), we get a palindrome (37299273).

The spelling of 12209052 in words is "twelve million, two hundred nine thousand, fifty-two".