12136946 has 8 divisors (see below), whose sum is σ = 19276380. Its totient is φ = 5711488.

The previous prime is 12136937. The next prime is 12137003. The reversal of 12136946 is 64963121.

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 474721 = 3415^2 + 689^2 .

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, 178451 + ... + 178518.

Almost surely, 2^12136946 is an apocalyptic number.

12136946 is a deficient number, since it is larger than the sum of its proper divisors (7139434).

12136946 is a wasteful number, since it uses less digits than its factorization.

12136946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356988.

The product of its digits is 7776, while the sum is 32.

The square root of 12136946 is about 3483.8119926311. The cubic root of 12136946 is about 229.8104676766.

The spelling of 12136946 in words is "twelve million, one hundred thirty-six thousand, nine hundred forty-six".