12734855 has 24 divisors (see below), whose sum is σ = 18098640. Its totient is φ = 8574720.

The previous prime is 12734851. The next prime is 12734863. The reversal of 12734855 is 55843721.

It is a happy number.

It is not a de Polignac number, because 12734855 - 2² = 12734851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12734851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14015 + ... + 14895.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^12734855 is an apocalyptic number.

12734855 is a deficient number, since it is larger than the sum of its proper divisors (5363785).

12734855 is an equidigital number, since it uses as much as digits as its factorization.

12734855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 952 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 12734855 is about 3568.5928599379. The cubic root of 12734855 is about 233.5238998749.

The spelling of 12734855 in words is "twelve million, seven hundred thirty-four thousand, eight hundred fifty-five".