12306493 has 8 divisors (see below), whose sum is σ = 12646368. Its totient is φ = 11971344.

The previous prime is 12306479. The next prime is 12306499. The reversal of 12306493 is 39460321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12306493 - 2⁵ = 12306461 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 (12306499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (1580796).

Almost surely, 2^12306493 is an apocalyptic number.

It is an amenable number.

12306493 is a deficient number, since it is larger than the sum of its proper divisors (339875).

12306493 is an equidigital number, since it uses as much as digits as its factorization.

12306493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 12306493 is about 3508.0611454192. The cubic root of 12306493 is about 230.8756350364.

The spelling of 12306493 in words is "twelve million, three hundred six thousand, four hundred ninety-three".