12394971 has 16 divisors (see below), whose sum is σ = 18587520. Its totient is φ = 8162280.

The previous prime is 12394969. The next prime is 12394979. The reversal of 12394971 is 17949321.

It is not a de Polignac number, because 12394971 - 2¹ = 12394969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12394979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (1161720).

Almost surely, 2^12394971 is an apocalyptic number.

12394971 is a deficient number, since it is larger than the sum of its proper divisors (6192549).

12394971 is an equidigital number, since it uses as much as digits as its factorization.

12394971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623 (or 5617 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 12394971 is about 3520.6492299006. The cubic root of 12394971 is about 231.4276107152.

The spelling of 12394971 in words is "twelve million, three hundred ninety-four thousand, nine hundred seventy-one".