12655450 has 12 divisors (see below), whose sum is σ = 23539230. Its totient is φ = 5062160.

The previous prime is 12655439. The next prime is 12655457. The reversal of 12655450 is 5455621.

It can be written as a sum of positive squares in 3 ways, for example, as 12327121 + 328329 = 3511^2 + 573^2 .

It is not an unprimeable number, because it can be changed into a prime (12655457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126505 + ... + 126604.

Almost surely, 2^12655450 is an apocalyptic number.

12655450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12655450 is a deficient number, since it is larger than the sum of its proper divisors (10883780).

12655450 is a wasteful number, since it uses less digits than its factorization.

12655450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253121 (or 253116 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 12655450 is about 3557.4499293736. The cubic root of 12655450 is about 233.0375276485.

The spelling of 12655450 in words is "twelve million, six hundred fifty-five thousand, four hundred fifty".