12255154 has 4 divisors (see below), whose sum is σ = 18382734. Its totient is φ = 6127576.

The previous prime is 12255151. The next prime is 12255161. The reversal of 12255154 is 45155221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8732025 + 3523129 = 2955^2 + 1877^2 .

It is not an unprimeable number, because it can be changed into a prime (12255151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3063787 + ... + 3063790.

Almost surely, 2^12255154 is an apocalyptic number.

12255154 is a deficient number, since it is larger than the sum of its proper divisors (6127580).

12255154 is an equidigital number, since it uses as much as digits as its factorization.

12255154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127579.

The product of its digits is 2000, while the sum is 25.

The square root of 12255154 is about 3500.7362082853. The cubic root of 12255154 is about 230.5541395783.

The spelling of 12255154 in words is "twelve million, two hundred fifty-five thousand, one hundred fifty-four".