12740194 has 8 divisors (see below), whose sum is σ = 19726848. Its totient is φ = 6164580.

The previous prime is 12740153. The next prime is 12740197. The reversal of 12740194 is 49104721.

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

It is not an unprimeable number, because it can be changed into a prime (12740197) 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, 102682 + ... + 102805.

It is an arithmetic number, because the mean of its divisors is an integer number (2465856).

Almost surely, 2^12740194 is an apocalyptic number.

12740194 is a deficient number, since it is larger than the sum of its proper divisors (6986654).

12740194 is a wasteful number, since it uses less digits than its factorization.

12740194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205520.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12740194 is about 3569.3408355045. The cubic root of 12740194 is about 233.5565297427.

The spelling of 12740194 in words is "twelve million, seven hundred forty thousand, one hundred ninety-four".