12819693 has 8 divisors (see below), whose sum is σ = 17415648. Its totient is φ = 8385104.

The previous prime is 12819691. The next prime is 12819707. The reversal of 12819693 is 39691821.

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 12819693 - 2¹ = 12819691 is a prime.

It is a super-2 number, since 2×12819693² = 328689057228498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12819691) 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, 40155 + ... + 40472.

It is an arithmetic number, because the mean of its divisors is an integer number (2176956).

Almost surely, 2^12819693 is an apocalyptic number.

It is an amenable number.

12819693 is a deficient number, since it is larger than the sum of its proper divisors (4595955).

12819693 is an equidigital number, since it uses as much as digits as its factorization.

12819693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80683.

The product of its digits is 23328, while the sum is 39.

The square root of 12819693 is about 3580.4598866626. The cubic root of 12819693 is about 234.0413215069.

The spelling of 12819693 in words is "twelve million, eight hundred nineteen thousand, six hundred ninety-three".