12136993 has 8 divisors (see below), whose sum is σ = 13697280. Its totient is φ = 10652880.

The previous prime is 12136937. The next prime is 12137003. The reversal of 12136993 is 39963121.

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

It is a cyclic number.

It is not a de Polignac number, because 12136993 - 2¹³ = 12128801 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12136913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18705 + ... + 19342.

It is an arithmetic number, because the mean of its divisors is an integer number (1712160).

Almost surely, 2^12136993 is an apocalyptic number.

It is an amenable number.

12136993 is a deficient number, since it is larger than the sum of its proper divisors (1560287).

12136993 is a wasteful number, since it uses less digits than its factorization.

12136993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38087.

The product of its digits is 8748, while the sum is 34.

The square root of 12136993 is about 3483.8187381091. The cubic root of 12136993 is about 229.8107643212.

The spelling of 12136993 in words is "twelve million, one hundred thirty-six thousand, nine hundred ninety-three".