12730470 has 32 divisors (see below), whose sum is σ = 30976992. Its totient is φ = 3347712.

The previous prime is 12730453. The next prime is 12730483. The reversal of 12730470 is 7403721.

It is a self number, because there is not a number n which added to its sum of digits gives 12730470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (968031).

Almost surely, 2^12730470 is an apocalyptic number.

12730470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12730470 is an abundant number, since it is smaller than the sum of its proper divisors (18246522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12730470 is a wasteful number, since it uses less digits than its factorization.

12730470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 12730470 is about 3567.9784192172. The cubic root of 12730470 is about 233.4970936580.

The spelling of 12730470 in words is "twelve million, seven hundred thirty thousand, four hundred seventy".