12255554 has 4 divisors (see below), whose sum is σ = 18383334. Its totient is φ = 6127776.

The previous prime is 12255533. The next prime is 12255587. The reversal of 12255554 is 45555221.

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., 11744329 + 511225 = 3427^2 + 715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3063887 + ... + 3063890.

Almost surely, 2^12255554 is an apocalyptic number.

12255554 is a deficient number, since it is larger than the sum of its proper divisors (6127780).

12255554 is an equidigital number, since it uses as much as digits as its factorization.

12255554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127779.

The product of its digits is 10000, while the sum is 29.

The square root of 12255554 is about 3500.7933386591. The cubic root of 12255554 is about 230.5566479285.

The spelling of 12255554 in words is "twelve million, two hundred fifty-five thousand, five hundred fifty-four".