12290336 has 24 divisors (see below), whose sum is σ = 24312960. Its totient is φ = 6115648.

The previous prime is 12290323. The next prime is 12290339. The reversal of 12290336 is 63309221.

It is not an unprimeable number, because it can be changed into a prime (12290339) 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, 6845 + ... + 8451.

It is an arithmetic number, because the mean of its divisors is an integer number (1013040).

Almost surely, 2^12290336 is an apocalyptic number.

12290336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12290336 is a deficient number, since it is larger than the sum of its proper divisors (12022624).

12290336 is a wasteful number, since it uses less digits than its factorization.

12290336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 12290336 is about 3505.7575500881. The cubic root of 12290336 is about 230.7745531308.

Adding to 12290336 its reverse (63309221), we get a palindrome (75599557).

The spelling of 12290336 in words is "twelve million, two hundred ninety thousand, three hundred thirty-six".