12912067 has 4 divisors (see below), whose sum is σ = 14756656. Its totient is φ = 11067480.

The previous prime is 12912043. The next prime is 12912073. The reversal of 12912067 is 76021921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76021921 = 61 ⋅1246261.

It is a cyclic number.

It is not a de Polignac number, because 12912067 - 2¹⁹ = 12387779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12912017) 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, 922284 + ... + 922297.

It is an arithmetic number, because the mean of its divisors is an integer number (3689164).

Almost surely, 2^12912067 is an apocalyptic number.

12912067 is a deficient number, since it is larger than the sum of its proper divisors (1844589).

12912067 is an equidigital number, since it uses as much as digits as its factorization.

12912067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844588.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12912067 is about 3593.3364718601. The cubic root of 12912067 is about 234.6021153033.

Adding to 12912067 its reverse (76021921), we get a palindrome (88933988).

The spelling of 12912067 in words is "twelve million, nine hundred twelve thousand, sixty-seven".