12356893 has 2 divisors, whose sum is σ = 12356894. Its totient is φ = 12356892.

The previous prime is 12356891. The next prime is 12356923. The reversal of 12356893 is 39865321.

12356893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8773444 + 3583449 = 2962^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 12356893 - 2¹ = 12356891 is a prime.

It is a super-2 number, since 2×12356893² = 305385609226898, which contains 22 as substring.

Together with 12356891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12356891) 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 as a sum of consecutive naturals, namely, 6178446 + 6178447.

It is an arithmetic number, because the mean of its divisors is an integer number (6178447).

Almost surely, 2^12356893 is an apocalyptic number.

It is an amenable number.

12356893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12356893 is an equidigital number, since it uses as much as digits as its factorization.

12356893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 12356893 is about 3515.2372608403. The cubic root of 12356893 is about 231.1903817094.

It can be divided in two parts, 1235 and 6893, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 12356893 in words is "twelve million, three hundred fifty-six thousand, eight hundred ninety-three".