12773505 has 16 divisors (see below), whose sum is σ = 20481984. Its totient is φ = 6797760.

The previous prime is 12773471. The next prime is 12773513. The reversal of 12773505 is 50537721.

It is not a de Polignac number, because 12773505 - 2⁸ = 12773249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12670 + ... + 13640.

It is an arithmetic number, because the mean of its divisors is an integer number (1280124).

Almost surely, 2^12773505 is an apocalyptic number.

12773505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12773505 is a deficient number, since it is larger than the sum of its proper divisors (7708479).

12773505 is an equidigital number, since it uses as much as digits as its factorization.

12773505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 12773505 is about 3574.0040570766. The cubic root of 12773505 is about 233.7599078798.

The spelling of 12773505 in words is "twelve million, seven hundred seventy-three thousand, five hundred five".