12906951 has 4 divisors (see below), whose sum is σ = 17209272. Its totient is φ = 8604632.

The previous prime is 12906937. The next prime is 12906953. The reversal of 12906951 is 15960921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15960921 = 3 ⋅5320307.

It is a cyclic number.

It is not a de Polignac number, because 12906951 - 2⁷ = 12906823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12906953) 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, 2151156 + ... + 2151161.

It is an arithmetic number, because the mean of its divisors is an integer number (4302318).

Almost surely, 2^12906951 is an apocalyptic number.

12906951 is a deficient number, since it is larger than the sum of its proper divisors (4302321).

12906951 is an equidigital number, since it uses as much as digits as its factorization.

12906951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302320.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 12906951 is about 3592.6245281131. The cubic root of 12906951 is about 234.5711266430.

The spelling of 12906951 in words is "twelve million, nine hundred six thousand, nine hundred fifty-one".