12238055 has 4 divisors (see below), whose sum is σ = 14685672. Its totient is φ = 9790440.

The previous prime is 12238043. The next prime is 12238067. The reversal of 12238055 is 55083221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55083221 = 967 ⋅56963.

It is an interprime number because it is at equal distance from previous prime (12238043) and next prime (12238067).

It is not a de Polignac number, because 12238055 - 2¹⁰ = 12237031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223801 + ... + 1223810.

It is an arithmetic number, because the mean of its divisors is an integer number (3671418).

Almost surely, 2^12238055 is an apocalyptic number.

12238055 is a deficient number, since it is larger than the sum of its proper divisors (2447617).

12238055 is an equidigital number, since it uses as much as digits as its factorization.

12238055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447616.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 12238055 is about 3498.2931552401. The cubic root of 12238055 is about 230.4468628051.

The spelling of 12238055 in words is "twelve million, two hundred thirty-eight thousand, fifty-five".