12720094 has 8 divisors (see below), whose sum is σ = 19126728. Its totient is φ = 6344520.

The previous prime is 12720091. The next prime is 12720107. The reversal of 12720094 is 49002721.

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 (12720091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6712 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (2390841).

Almost surely, 2^12720094 is an apocalyptic number.

12720094 is a deficient number, since it is larger than the sum of its proper divisors (6406634).

12720094 is a wasteful number, since it uses less digits than its factorization.

12720094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15530.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12720094 is about 3566.5240781467. The cubic root of 12720094 is about 233.4336389605.

The spelling of 12720094 in words is "twelve million, seven hundred twenty thousand, ninety-four".