12451055 has 24 divisors (see below), whose sum is σ = 16411248. Its totient is φ = 9036288.

The previous prime is 12451051. The next prime is 12451067. The reversal of 12451055 is 55015421.

It is a happy number.

It is not a de Polignac number, because 12451055 - 2² = 12451051 is a prime.

It is a super-2 number, since 2×12451055² = 310057541226050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12451055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116312 + ... + 116418.

It is an arithmetic number, because the mean of its divisors is an integer number (683802).

Almost surely, 2^12451055 is an apocalyptic number.

12451055 is a deficient number, since it is larger than the sum of its proper divisors (3960193).

12451055 is a wasteful number, since it uses less digits than its factorization.

12451055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 12451055 is about 3528.6052485366. The cubic root of 12451055 is about 231.7761353728.

Adding to 12451055 its reverse (55015421), we get a palindrome (67466476).

The spelling of 12451055 in words is "twelve million, four hundred fifty-one thousand, fifty-five".