12977853 has 16 divisors (see below), whose sum is σ = 20259456. Its totient is φ = 7234560.

The previous prime is 12977843. The next prime is 12977857. The reversal of 12977853 is 35877921.

12977853 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12977853 - 2⁴ = 12977837 is a prime.

12977853 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6676 + ... + 8397.

It is an arithmetic number, because the mean of its divisors is an integer number (1266216).

Almost surely, 2^12977853 is an apocalyptic number.

It is an amenable number.

12977853 is a deficient number, since it is larger than the sum of its proper divisors (7281603).

12977853 is a wasteful number, since it uses less digits than its factorization.

12977853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124.

The product of its digits is 105840, while the sum is 42.

The square root of 12977853 is about 3602.4787299858. The cubic root of 12977853 is about 234.9998672098. Note that the first 3 decimals are identical.

The spelling of 12977853 in words is "twelve million, nine hundred seventy-seven thousand, eight hundred fifty-three".