12290706 has 24 divisors (see below), whose sum is σ = 26694720. Its totient is φ = 4086936.

The previous prime is 12290687. The next prime is 12290713. The reversal of 12290706 is 60709221.

12290706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12290706² = 302122907956872, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12290706.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12915 + ... + 13833.

It is an arithmetic number, because the mean of its divisors is an integer number (1112280).

Almost surely, 2^12290706 is an apocalyptic number.

12290706 is an abundant number, since it is smaller than the sum of its proper divisors (14404014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12290706 is a wasteful number, since it uses less digits than its factorization.

12290706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12290706 is about 3505.8103200259. The cubic root of 12290706 is about 230.7768689267.

Adding to 12290706 its reverse (60709221), we get a palindrome (72999927).

It can be divided in two parts, 12290 and 706, that added together give a square (12996 = 114²).

The spelling of 12290706 in words is "twelve million, two hundred ninety thousand, seven hundred six".