12280292 has 6 divisors (see below), whose sum is σ = 21490518. Its totient is φ = 6140144.

The previous prime is 12280271. The next prime is 12280343. The reversal of 12280292 is 29208221.

It can be written as a sum of positive squares in only one way, i.e., 11723776 + 556516 = 3424^2 + 746^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1535033 + ... + 1535040.

It is an arithmetic number, because the mean of its divisors is an integer number (3581753).

Almost surely, 2^12280292 is an apocalyptic number.

It is an amenable number.

12280292 is a deficient number, since it is larger than the sum of its proper divisors (9210226).

12280292 is a wasteful number, since it uses less digits than its factorization.

12280292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070077 (or 3070075 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12280292 is about 3504.3247566400. The cubic root of 12280292 is about 230.7116708978.

The spelling of 12280292 in words is "twelve million, two hundred eighty thousand, two hundred ninety-two".