12734423 has 8 divisors (see below), whose sum is σ = 13741728. Its totient is φ = 11731104.

The previous prime is 12734419. The next prime is 12734429. The reversal of 12734423 is 32443721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12734423 - 2² = 12734419 is a prime.

It is a super-3 number, since 3×12734423³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12734392 and 12734401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734429) 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, 12065 + ... + 13077.

It is an arithmetic number, because the mean of its divisors is an integer number (1717716).

Almost surely, 2^12734423 is an apocalyptic number.

12734423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12734423 is a deficient number, since it is larger than the sum of its proper divisors (1007305).

12734423 is a wasteful number, since it uses less digits than its factorization.

12734423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993.

The product of its digits is 4032, while the sum is 26.

The square root of 12734423 is about 3568.5323313654. The cubic root of 12734423 is about 233.5212592620.

The spelling of 12734423 in words is "twelve million, seven hundred thirty-four thousand, four hundred twenty-three".