12730774 has 8 divisors (see below), whose sum is σ = 21824208. Its totient is φ = 5456040.

The previous prime is 12730733. The next prime is 12730777. The reversal of 12730774 is 47703721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454657 + ... + 454684.

It is an arithmetic number, because the mean of its divisors is an integer number (2728026).

Almost surely, 2^12730774 is an apocalyptic number.

12730774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12730774 is a deficient number, since it is larger than the sum of its proper divisors (9093434).

12730774 is an equidigital number, since it uses as much as digits as its factorization.

12730774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909350.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 12730774 is about 3568.0210201175. The cubic root of 12730774 is about 233.4989522579.

The spelling of 12730774 in words is "twelve million, seven hundred thirty thousand, seven hundred seventy-four".