12280351 has 2 divisors, whose sum is σ = 12280352. Its totient is φ = 12280350.

The previous prime is 12280343. The next prime is 12280357. The reversal of 12280351 is 15308221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12280351 - 2³ = 12280343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12280357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6140175 + 6140176.

It is an arithmetic number, because the mean of its divisors is an integer number (6140176).

Almost surely, 2^12280351 is an apocalyptic number.

12280351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12280351 is an equidigital number, since it uses as much as digits as its factorization.

12280351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12280351 is about 3504.3331747995. Note that the first 3 decimals coincide. The cubic root of 12280351 is about 230.7120403778.

Adding to 12280351 its reverse (15308221), we get a palindrome (27588572).

The spelling of 12280351 in words is "twelve million, two hundred eighty thousand, three hundred fifty-one".