12967381 has 16 divisors (see below), whose sum is σ = 15414784. Its totient is φ = 10677744.

The previous prime is 12967363. The next prime is 12967387. The reversal of 12967381 is 18376921.

12967381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12967381 - 2¹¹ = 12965333 is a prime.

It is a super-2 number, since 2×12967381² = 336305939998322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12967381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12967387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19846 + ... + 20488.

It is an arithmetic number, because the mean of its divisors is an integer number (963424).

Almost surely, 2^12967381 is an apocalyptic number.

It is an amenable number.

12967381 is a deficient number, since it is larger than the sum of its proper divisors (2447403).

12967381 is an equidigital number, since it uses as much as digits as its factorization.

12967381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its digits is 18144, while the sum is 37.

The square root of 12967381 is about 3601.0249929708. The cubic root of 12967381 is about 234.9366420415.

The spelling of 12967381 in words is "twelve million, nine hundred sixty-seven thousand, three hundred eighty-one".