12314921 has 4 divisors (see below), whose sum is σ = 12547332. Its totient is φ = 12082512.

The previous prime is 12314909. The next prime is 12314941. The reversal of 12314921 is 12941321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12941321 = 269 ⋅48109.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 1784896 = 3245^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 12314921 - 2²² = 8120617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12314941) 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, 116126 + ... + 116231.

It is an arithmetic number, because the mean of its divisors is an integer number (3136833).

Almost surely, 2^12314921 is an apocalyptic number.

It is an amenable number.

12314921 is a deficient number, since it is larger than the sum of its proper divisors (232411).

12314921 is an equidigital number, since it uses as much as digits as its factorization.

12314921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232410.

The product of its digits is 432, while the sum is 23.

The square root of 12314921 is about 3509.2621731640. The cubic root of 12314921 is about 230.9283274330.

The spelling of 12314921 in words is "twelve million, three hundred fourteen thousand, nine hundred twenty-one".