12797381 has 8 divisors (see below), whose sum is σ = 13278720. Its totient is φ = 12318768.

The previous prime is 12797357. The next prime is 12797383. The reversal of 12797381 is 18379721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12797381 is a prime.

It is a super-2 number, since 2×12797381² = 327545920918322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12797383) 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, 17240 + ... + 17966.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 2^12797381 is an apocalyptic number.

It is an amenable number.

12797381 is a deficient number, since it is larger than the sum of its proper divisors (481339).

12797381 is an equidigital number, since it uses as much as digits as its factorization.

12797381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its digits is 21168, while the sum is 38.

The square root of 12797381 is about 3577.3427288981. The cubic root of 12797381 is about 233.9054637970.

The spelling of 12797381 in words is "twelve million, seven hundred ninety-seven thousand, three hundred eighty-one".