12773895 has 16 divisors (see below), whose sum is σ = 20874240. Its totient is φ = 6667424.

The previous prime is 12773879. The next prime is 12773911. The reversal of 12773895 is 59837721.

It is an interprime number because it is at equal distance from previous prime (12773879) and next prime (12773911).

It is a cyclic number.

It is not a de Polignac number, because 12773895 - 2⁴ = 12773879 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 8355 + ... + 9764.

It is an arithmetic number, because the mean of its divisors is an integer number (1304640).

Almost surely, 2^12773895 is an apocalyptic number.

12773895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12773895 is a deficient number, since it is larger than the sum of its proper divisors (8100345).

12773895 is a wasteful number, since it uses less digits than its factorization.

12773895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18174.

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

The square root of 12773895 is about 3574.0586173145. The cubic root of 12773895 is about 233.7622869041.

The spelling of 12773895 in words is "twelve million, seven hundred seventy-three thousand, eight hundred ninety-five".