12735047 has 8 divisors (see below), whose sum is σ = 13744416. Its totient is φ = 11729952.

The previous prime is 12735043. The next prime is 12735053. The reversal of 12735047 is 74053721.

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

It is not a de Polignac number, because 12735047 - 2² = 12735043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12735043) 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, 8078 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (1718052).

Almost surely, 2^12735047 is an apocalyptic number.

12735047 is a deficient number, since it is larger than the sum of its proper divisors (1009369).

12735047 is a wasteful number, since it uses less digits than its factorization.

12735047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 12735047 is about 3568.6197611962. The cubic root of 12735047 is about 233.5250734614.

Adding to 12735047 its reverse (74053721), we get a palindrome (86788768).

The spelling of 12735047 in words is "twelve million, seven hundred thirty-five thousand, forty-seven".