12363961 has 4 divisors (see below), whose sum is σ = 12627072. Its totient is φ = 12100852.

The previous prime is 12363943. The next prime is 12363973. The reversal of 12363961 is 16936321.

It is the 1436-th star number.

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 an emirpimes, since its reverse is a distinct semiprime: 16936321 = 41 ⋅413081.

It is a cyclic number.

It is not a de Polignac number, because 12363961 - 2²³ = 3975353 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12363931) 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, 131485 + ... + 131578.

It is an arithmetic number, because the mean of its divisors is an integer number (3156768).

Almost surely, 2^12363961 is an apocalyptic number.

It is an amenable number.

12363961 is a deficient number, since it is larger than the sum of its proper divisors (263111).

12363961 is an equidigital number, since it uses as much as digits as its factorization.

12363961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263110.

The product of its digits is 5832, while the sum is 31.

The square root of 12363961 is about 3516.2424546666. The cubic root of 12363961 is about 231.2344527166.

The spelling of 12363961 in words is "twelve million, three hundred sixty-three thousand, nine hundred sixty-one".