12036705 has 32 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 6072000.

The previous prime is 12036691. The next prime is 12036707. The reversal of 12036705 is 50763021.

It is not a de Polignac number, because 12036705 - 2⁶ = 12036641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12036707) 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 in 31 ways as a sum of consecutive naturals, for example, 47830 + ... + 48080.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^12036705 is an apocalyptic number.

12036705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12036705 is a deficient number, since it is larger than the sum of its proper divisors (8284575).

12036705 is a wasteful number, since it uses less digits than its factorization.

12036705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 12036705 is about 3469.3954804836. The cubic root of 12036705 is about 229.1760372293.

Adding to 12036705 its reverse (50763021), we get a palindrome (62799726).

The spelling of 12036705 in words is "twelve million, thirty-six thousand, seven hundred five".