12303121 has 8 divisors (see below), whose sum is σ = 13058280. Its totient is φ = 11551488.

The previous prime is 12303107. The next prime is 12303131. The reversal of 12303121 is 12130321.

It can be written as a sum of positive squares in 4 ways, for example, as 7290000 + 5013121 = 2700^2 + 2239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12303121 - 2¹³ = 12294929 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12303131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10975 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (1632285).

Almost surely, 2^12303121 is an apocalyptic number.

It is an amenable number.

12303121 is a deficient number, since it is larger than the sum of its proper divisors (755159).

12303121 is a wasteful number, since it uses less digits than its factorization.

12303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12303121 is about 3507.5805051346. The cubic root of 12303121 is about 230.8545463381.

Adding to 12303121 its reverse (12130321), we get a palindrome (24433442).

The spelling of 12303121 in words is "twelve million, three hundred three thousand, one hundred twenty-one".