12209053 has 4 divisors (see below), whose sum is σ = 12277440. Its totient is φ = 12140668.

The previous prime is 12209023. The next prime is 12209063. The reversal of 12209053 is 35090221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35090221 = 137 ⋅256133.

It is a cyclic number.

It is not a de Polignac number, because 12209053 - 2⁹ = 12208541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12209003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33925 + ... + 34282.

It is an arithmetic number, because the mean of its divisors is an integer number (3069360).

Almost surely, 2^12209053 is an apocalyptic number.

It is an amenable number.

12209053 is a deficient number, since it is larger than the sum of its proper divisors (68387).

12209053 is an equidigital number, since it uses as much as digits as its factorization.

12209053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68386.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 12209053 is about 3494.1455321724. The cubic root of 12209053 is about 230.2646795421.

Adding to 12209053 its reverse (35090221), we get a palindrome (47299274).

The spelling of 12209053 in words is "twelve million, two hundred nine thousand, fifty-three".