12281335 has 16 divisors (see below), whose sum is σ = 16422912. Its totient is φ = 8740000.

The previous prime is 12281329. The next prime is 12281341. The reversal of 12281335 is 53318221.

12281335 = 488² + 489² + ... + 534².

It is an interprime number because it is at equal distance from previous prime (12281329) and next prime (12281341).

It is not a de Polignac number, because 12281335 - 2⁵ = 12281303 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (1026432).

Almost surely, 2^12281335 is an apocalyptic number.

12281335 is a deficient number, since it is larger than the sum of its proper divisors (4141577).

12281335 is a wasteful number, since it uses less digits than its factorization.

12281335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814.

The product of its digits is 1440, while the sum is 25.

The square root of 12281335 is about 3504.4735695964. The cubic root of 12281335 is about 230.7182023782.

Adding to 12281335 its reverse (53318221), we get a palindrome (65599556).

The spelling of 12281335 in words is "twelve million, two hundred eighty-one thousand, three hundred thirty-five".