12292906 has 4 divisors (see below), whose sum is σ = 18439362. Its totient is φ = 6146452.

The previous prime is 12292877. The next prime is 12292913. The reversal of 12292906 is 60929221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60929221 = 83 ⋅734087.

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 1010025 = 3359^2 + 1005^2 .

It is a super-2 number, since 2×12292906² = 302231075849672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 3073225 + ... + 3073228.

Almost surely, 2^12292906 is an apocalyptic number.

12292906 is a deficient number, since it is larger than the sum of its proper divisors (6146456).

12292906 is an equidigital number, since it uses as much as digits as its factorization.

12292906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146455.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 12292906 is about 3506.1240708224. The cubic root of 12292906 is about 230.7906375640.

The spelling of 12292906 in words is "twelve million, two hundred ninety-two thousand, nine hundred six".