12255394 has 4 divisors (see below), whose sum is σ = 18383094. Its totient is φ = 6127696.

The previous prime is 12255379. The next prime is 12255403. The reversal of 12255394 is 49355221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49355221 = 211 ⋅233911.

It can be written as a sum of positive squares in only one way, i.e., 10660225 + 1595169 = 3265^2 + 1263^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3063847 + ... + 3063850.

Almost surely, 2^12255394 is an apocalyptic number.

12255394 is a deficient number, since it is larger than the sum of its proper divisors (6127700).

12255394 is an equidigital number, since it uses as much as digits as its factorization.

12255394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127699.

The product of its digits is 10800, while the sum is 31.

The square root of 12255394 is about 3500.7704866215. The cubic root of 12255394 is about 230.5556445949. Note that the first 3 decimals are identical.

The spelling of 12255394 in words is "twelve million, two hundred fifty-five thousand, three hundred ninety-four".