12654671 has 4 divisors (see below), whose sum is σ = 12735432. Its totient is φ = 12573912.

The previous prime is 12654659. The next prime is 12654679. The reversal of 12654671 is 17645621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12654671 - 2²² = 8460367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654679) 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, 40145 + ... + 40458.

It is an arithmetic number, because the mean of its divisors is an integer number (3183858).

Almost surely, 2^12654671 is an apocalyptic number.

12654671 is a deficient number, since it is larger than the sum of its proper divisors (80761).

12654671 is an equidigital number, since it uses as much as digits as its factorization.

12654671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80760.

The product of its digits is 10080, while the sum is 32.

The square root of 12654671 is about 3557.3404391483. The cubic root of 12654671 is about 233.0327460469.

The spelling of 12654671 in words is "twelve million, six hundred fifty-four thousand, six hundred seventy-one".