12460381 has 4 divisors (see below), whose sum is σ = 12467932. Its totient is φ = 12452832.

The previous prime is 12460373. The next prime is 12460391. The reversal of 12460381 is 18306421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5331481 + 7128900 = 2309^2 + 2670^2 .

It is a cyclic number.

It is not a de Polignac number, because 12460381 - 2³ = 12460373 is a prime.

It is a super-2 number, since 2×12460381² = 310522189330322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12460391) 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, 120 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (3116983).

Almost surely, 2^12460381 is an apocalyptic number.

It is an amenable number.

12460381 is a deficient number, since it is larger than the sum of its proper divisors (7551).

12460381 is an equidigital number, since it uses as much as digits as its factorization.

12460381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12460381 is about 3529.9264864867. The cubic root of 12460381 is about 231.8339886977.

The spelling of 12460381 in words is "twelve million, four hundred sixty thousand, three hundred eighty-one".