12318734 has 4 divisors (see below), whose sum is σ = 18478104. Its totient is φ = 6159366.

The previous prime is 12318703. The next prime is 12318763. The reversal of 12318734 is 43781321.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12318697 and 12318706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3079682 + ... + 3079685.

It is an arithmetic number, because the mean of its divisors is an integer number (4619526).

Almost surely, 2^12318734 is an apocalyptic number.

12318734 is a deficient number, since it is larger than the sum of its proper divisors (6159370).

12318734 is an equidigital number, since it uses as much as digits as its factorization.

12318734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159369.

The product of its digits is 4032, while the sum is 29.

The square root of 12318734 is about 3509.8054077114. The cubic root of 12318734 is about 230.9521586550.

The spelling of 12318734 in words is "twelve million, three hundred eighteen thousand, seven hundred thirty-four".