12348782 has 4 divisors (see below), whose sum is σ = 18523176. Its totient is φ = 6174390.

The previous prime is 12348781. The next prime is 12348793. The reversal of 12348782 is 28784321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28784321 = 1297 ⋅22193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12348781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3087194 + ... + 3087197.

It is an arithmetic number, because the mean of its divisors is an integer number (4630794).

Almost surely, 2^12348782 is an apocalyptic number.

12348782 is a deficient number, since it is larger than the sum of its proper divisors (6174394).

12348782 is an equidigital number, since it uses as much as digits as its factorization.

12348782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174393.

The product of its digits is 21504, while the sum is 35.

The square root of 12348782 is about 3514.0833797735. The cubic root of 12348782 is about 231.1397865848.

The spelling of 12348782 in words is "twelve million, three hundred forty-eight thousand, seven hundred eighty-two".