12981363 has 8 divisors (see below), whose sum is σ = 17340048. Its totient is φ = 8638464.

The previous prime is 12981341. The next prime is 12981377. The reversal of 12981363 is 36318921.

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

It is not a de Polignac number, because 12981363 - 2⁸ = 12981107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12981263) 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, 1870 + ... + 5427.

It is an arithmetic number, because the mean of its divisors is an integer number (2167506).

Almost surely, 2^12981363 is an apocalyptic number.

12981363 is a deficient number, since it is larger than the sum of its proper divisors (4358685).

12981363 is an equidigital number, since it uses as much as digits as its factorization.

12981363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893.

The product of its digits is 7776, while the sum is 33.

The square root of 12981363 is about 3602.9658616201. The cubic root of 12981363 is about 235.0210513811.

The spelling of 12981363 in words is "twelve million, nine hundred eighty-one thousand, three hundred sixty-three".