12730270 has 32 divisors (see below), whose sum is σ = 27330048. Its totient is φ = 4174368.

The previous prime is 12730169. The next prime is 12730283. The reversal of 12730270 is 7203721.

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, 2344 + ... + 5563.

It is an arithmetic number, because the mean of its divisors is an integer number (854064).

Almost surely, 2^12730270 is an apocalyptic number.

12730270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12730270 is an abundant number, since it is smaller than the sum of its proper divisors (14599778).

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

12730270 is a wasteful number, since it uses less digits than its factorization.

12730270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 12730270 is about 3567.9503920318. The cubic root of 12730270 is about 233.4958708788.

Adding to 12730270 its reverse (7203721), we get a palindrome (19933991).

The spelling of 12730270 in words is "twelve million, seven hundred thirty thousand, two hundred seventy".