12555074 has 12 divisors (see below), whose sum is σ = 21907494. Its totient is φ = 5380704.

The previous prime is 12555071. The next prime is 12555077. The reversal of 12555074 is 47055521.

It is an interprime number because it is at equal distance from previous prime (12555071) and next prime (12555077).

It can be written as a sum of positive squares in only one way, i.e., 12201049 + 354025 = 3493^2 + 595^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12555071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63959 + ... + 64154.

Almost surely, 2^12555074 is an apocalyptic number.

12555074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12555074 is a deficient number, since it is larger than the sum of its proper divisors (9352420).

12555074 is a wasteful number, since it uses less digits than its factorization.

12555074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128129 (or 128122 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 12555074 is about 3543.3139855226. The cubic root of 12555074 is about 232.4197834806.

The spelling of 12555074 in words is "twelve million, five hundred fifty-five thousand, seventy-four".