12036803 has 4 divisors (see below), whose sum is σ = 12362160. Its totient is φ = 11711448.

The previous prime is 12036763. The next prime is 12036809. The reversal of 12036803 is 30863021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30863021 = 7 ⋅4409003.

It is a cyclic number.

It is not a de Polignac number, because 12036803 - 2¹² = 12032707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12036809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162623 + ... + 162696.

It is an arithmetic number, because the mean of its divisors is an integer number (3090540).

Almost surely, 2^12036803 is an apocalyptic number.

12036803 is a deficient number, since it is larger than the sum of its proper divisors (325357).

12036803 is an equidigital number, since it uses as much as digits as its factorization.

12036803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325356.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12036803 is about 3469.4096039528. The cubic root of 12036803 is about 229.1766591933.

Adding to 12036803 its reverse (30863021), we get a palindrome (42899824).

The spelling of 12036803 in words is "twelve million, thirty-six thousand, eight hundred three".