12393351 has 8 divisors (see below), whose sum is σ = 18360560. Its totient is φ = 8262216.

The previous prime is 12393317. The next prime is 12393371. The reversal of 12393351 is 15339321.

It is a happy number.

It is not a de Polignac number, because 12393351 - 2¹¹ = 12391303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 459013 = 12393351 / (1 + 2 + 3 + 9 + 3 + 3 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393371) 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, 229480 + ... + 229533.

It is an arithmetic number, because the mean of its divisors is an integer number (2295070).

Almost surely, 2^12393351 is an apocalyptic number.

12393351 is a deficient number, since it is larger than the sum of its proper divisors (5967209).

12393351 is an equidigital number, since it uses as much as digits as its factorization.

12393351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459022 (or 459016 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 12393351 is about 3520.4191511807. The cubic root of 12393351 is about 231.4175278877.

The spelling of 12393351 in words is "twelve million, three hundred ninety-three thousand, three hundred fifty-one".