12681455 has 16 divisors (see below), whose sum is σ = 16156800. Its totient is φ = 9528480.

The previous prime is 12681443. The next prime is 12681457. The reversal of 12681455 is 55418621.

It is not a de Polignac number, because 12681455 - 2⁶ = 12681391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681457) 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 15 ways as a sum of consecutive naturals, for example, 11936 + ... + 12954.

It is an arithmetic number, because the mean of its divisors is an integer number (1009800).

Almost surely, 2^12681455 is an apocalyptic number.

12681455 is a deficient number, since it is larger than the sum of its proper divisors (3475345).

12681455 is a wasteful number, since it uses less digits than its factorization.

12681455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its digits is 9600, while the sum is 32.

The square root of 12681455 is about 3561.1030594466. The cubic root of 12681455 is about 233.1970371814.

The spelling of 12681455 in words is "twelve million, six hundred eighty-one thousand, four hundred fifty-five".