12946361 has 4 divisors (see below), whose sum is σ = 12954000. Its totient is φ = 12938724.

The previous prime is 12946357. The next prime is 12946369. The reversal of 12946361 is 16364921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16364921 = 73 ⋅224177.

It is a cyclic number.

It is not a de Polignac number, because 12946361 - 2² = 12946357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12946369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 5088.

It is an arithmetic number, because the mean of its divisors is an integer number (3238500).

Almost surely, 2^12946361 is an apocalyptic number.

It is an amenable number.

12946361 is a deficient number, since it is larger than the sum of its proper divisors (7639).

12946361 is an equidigital number, since it uses as much as digits as its factorization.

12946361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638.

The product of its digits is 7776, while the sum is 32.

The square root of 12946361 is about 3598.1051957940. The cubic root of 12946361 is about 234.8096300419.

The spelling of 12946361 in words is "twelve million, nine hundred forty-six thousand, three hundred sixty-one".