12348634 has 4 divisors (see below), whose sum is σ = 18522954. Its totient is φ = 6174316.

The previous prime is 12348619. The next prime is 12348643. The reversal of 12348634 is 43684321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43684321 = 479 ⋅91199.

It can be written as a sum of positive squares in only one way, i.e., 9018009 + 3330625 = 3003^2 + 1825^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12348596 and 12348605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3087157 + ... + 3087160.

Almost surely, 2^12348634 is an apocalyptic number.

12348634 is a deficient number, since it is larger than the sum of its proper divisors (6174320).

12348634 is an equidigital number, since it uses as much as digits as its factorization.

12348634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174319.

The product of its digits is 13824, while the sum is 31.

The square root of 12348634 is about 3514.0623215874. The cubic root of 12348634 is about 231.1388631786.

The spelling of 12348634 in words is "twelve million, three hundred forty-eight thousand, six hundred thirty-four".