12912853 has 2 divisors, whose sum is σ = 12912854. Its totient is φ = 12912852.

The previous prime is 12912847. The next prime is 12912863. The reversal of 12912853 is 35821921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12404484 + 508369 = 3522^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 12912853 - 2¹⁷ = 12781781 is a prime.

It is equal to p₈₄₃₉₆₁ and since 12912853 and 843961 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12912863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456426 + 6456427.

It is an arithmetic number, because the mean of its divisors is an integer number (6456427).

Almost surely, 2^12912853 is an apocalyptic number.

It is an amenable number.

12912853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12912853 is an equidigital number, since it uses as much as digits as its factorization.

12912853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 12912853 is about 3593.4458393024. The cubic root of 12912853 is about 234.6068755409.

The spelling of 12912853 in words is "twelve million, nine hundred twelve thousand, eight hundred fifty-three".