12380961 has 4 divisors (see below), whose sum is σ = 16507952. Its totient is φ = 8253972.

The previous prime is 12380957. The next prime is 12380971. The reversal of 12380961 is 16908321.

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.

It is not a de Polignac number, because 12380961 - 2² = 12380957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12380911) 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, 2063491 + ... + 2063496.

It is an arithmetic number, because the mean of its divisors is an integer number (4126988).

Almost surely, 2^12380961 is an apocalyptic number.

It is an amenable number.

12380961 is a deficient number, since it is larger than the sum of its proper divisors (4126991).

12380961 is an equidigital number, since it uses as much as digits as its factorization.

12380961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126990.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12380961 is about 3518.6589775083. The cubic root of 12380961 is about 231.3403838557.

The spelling of 12380961 in words is "twelve million, three hundred eighty thousand, nine hundred sixty-one".