12914689 has 4 divisors (see below), whose sum is σ = 12922624. Its totient is φ = 12906756.

The previous prime is 12914659. The next prime is 12914723. The reversal of 12914689 is 98641921.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98641921 = 7 ⋅14091703.

It is a cyclic number.

It is not a de Polignac number, because 12914689 - 2¹³ = 12906497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12914609) 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, 537 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (3230656).

It is a Proth number, since it is equal to 3153 ⋅ 2¹² + 1 and 3153 < 2¹².

Almost surely, 2^12914689 is an apocalyptic number.

It is an amenable number.

12914689 is a deficient number, since it is larger than the sum of its proper divisors (7935).

12914689 is an equidigital number, since it uses as much as digits as its factorization.

12914689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934.

The product of its digits is 31104, while the sum is 40.

The square root of 12914689 is about 3593.7012953221. The cubic root of 12914689 is about 234.6179941220.

The spelling of 12914689 in words is "twelve million, nine hundred fourteen thousand, six hundred eighty-nine".