12906337 has 4 divisors (see below), whose sum is σ = 12922560. Its totient is φ = 12890116.

The previous prime is 12906331. The next prime is 12906343. The reversal of 12906337 is 73360921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73360921 = 163 ⋅450067.

It is an interprime number because it is at equal distance from previous prime (12906331) and next prime (12906343).

It is a cyclic number.

It is not a de Polignac number, because 12906337 - 2³ = 12906329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12906299 and 12906308.

It is not an unprimeable number, because it can be changed into a prime (12906331) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6853 + ... + 8530.

It is an arithmetic number, because the mean of its divisors is an integer number (3230640).

Almost surely, 2^12906337 is an apocalyptic number.

It is an amenable number.

12906337 is a deficient number, since it is larger than the sum of its proper divisors (16223).

12906337 is an equidigital number, since it uses as much as digits as its factorization.

12906337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16222.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 12906337 is about 3592.5390742482. The cubic root of 12906337 is about 234.5674069688.

The spelling of 12906337 in words is "twelve million, nine hundred six thousand, three hundred thirty-seven".