12693005 has 8 divisors (see below), whose sum is σ = 16403352. Its totient is φ = 9373248.

The previous prime is 12693001. The next prime is 12693013. The reversal of 12693005 is 50039621.

It can be written as a sum of positive squares in 4 ways, for example, as 948676 + 11744329 = 974^2 + 3427^2 .

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 12693005 - 2² = 12693001 is a prime.

It is a super-2 number, since 2×12693005² = 322224751860050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97574 + ... + 97703.

It is an arithmetic number, because the mean of its divisors is an integer number (2050419).

Almost surely, 2^12693005 is an apocalyptic number.

It is an amenable number.

12693005 is a deficient number, since it is larger than the sum of its proper divisors (3710347).

12693005 is a wasteful number, since it uses less digits than its factorization.

12693005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195295.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 12693005 is about 3562.7243788988. The cubic root of 12693005 is about 233.2678126691.

The spelling of 12693005 in words is "twelve million, six hundred ninety-three thousand, five".