12654667 has 4 divisors (see below), whose sum is σ = 12705336. Its totient is φ = 12604000.

The previous prime is 12654659. The next prime is 12654679. The reversal of 12654667 is 76645621.

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: 76645621 = 13 ⋅5895817.

It is a cyclic number.

It is not a de Polignac number, because 12654667 - 2³ = 12654659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12654617) 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, 24958 + ... + 25459.

It is an arithmetic number, because the mean of its divisors is an integer number (3176334).

Almost surely, 2^12654667 is an apocalyptic number.

12654667 is a deficient number, since it is larger than the sum of its proper divisors (50669).

12654667 is an equidigital number, since it uses as much as digits as its factorization.

12654667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50668.

The product of its digits is 60480, while the sum is 37.

The square root of 12654667 is about 3557.3398769305. The cubic root of 12654667 is about 233.0327214939.

The spelling of 12654667 in words is "twelve million, six hundred fifty-four thousand, six hundred sixty-seven".