12351393 has 8 divisors (see below), whose sum is σ = 18298400. Its totient is φ = 8234244.

The previous prime is 12351379. The next prime is 12351407. The reversal of 12351393 is 39315321.

It is a happy number.

12351393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12351379) and next prime (12351407).

It is not a de Polignac number, because 12351393 - 2⁶ = 12351329 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: 457459 = 12351393 / (1 + 2 + 3 + 5 + 1 + 3 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12351323) 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, 228703 + ... + 228756.

It is an arithmetic number, because the mean of its divisors is an integer number (2287300).

Almost surely, 2^12351393 is an apocalyptic number.

It is an amenable number.

12351393 is a deficient number, since it is larger than the sum of its proper divisors (5947007).

12351393 is an equidigital number, since it uses as much as digits as its factorization.

12351393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457468 (or 457462 counting only the distinct ones).

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

The square root of 12351393 is about 3514.4548652672. The cubic root of 12351393 is about 231.1560760038.

It can be divided in two parts, 1235 and 1393, that added together give a triangular number (2628 = T₇₂).

The spelling of 12351393 in words is "twelve million, three hundred fifty-one thousand, three hundred ninety-three".