12730412 has 6 divisors (see below), whose sum is σ = 22278228. Its totient is φ = 6365204.

The previous prime is 12730409. The next prime is 12730423. The reversal of 12730412 is 21403721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1591298 + ... + 1591305.

It is an arithmetic number, because the mean of its divisors is an integer number (3713038).

Almost surely, 2^12730412 is an apocalyptic number.

It is an amenable number.

12730412 is a deficient number, since it is larger than the sum of its proper divisors (9547816).

12730412 is a wasteful number, since it uses less digits than its factorization.

12730412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182607 (or 3182605 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12730412 is about 3567.9702913561. The cubic root of 12730412 is about 233.4967390533.

The spelling of 12730412 in words is "twelve million, seven hundred thirty thousand, four hundred twelve".