12509794 has 8 divisors (see below), whose sum is σ = 20470608. Its totient is φ = 5686260.

The previous prime is 12509779. The next prime is 12509813. The reversal of 12509794 is 49790521.

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

It is an unprimeable number.

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, 284292 + ... + 284335.

It is an arithmetic number, because the mean of its divisors is an integer number (2558826).

Almost surely, 2^12509794 is an apocalyptic number.

12509794 is a deficient number, since it is larger than the sum of its proper divisors (7960814).

12509794 is a wasteful number, since it uses less digits than its factorization.

12509794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568640.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12509794 is about 3536.9187154923. The cubic root of 12509794 is about 232.1400388184.

The spelling of 12509794 in words is "twelve million, five hundred nine thousand, seven hundred ninety-four".