12481019 has 8 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 11768680.

The previous prime is 12480997. The next prime is 12481039. The reversal of 12481019 is 91018421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12481019 is a prime.

It is a super-2 number, since 2×12481019² = 311551670556722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12481039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189 + ... + 5454.

It is an arithmetic number, because the mean of its divisors is an integer number (1651104).

Almost surely, 2^12481019 is an apocalyptic number.

12481019 is a deficient number, since it is larger than the sum of its proper divisors (727813).

12481019 is an equidigital number, since it uses as much as digits as its factorization.

12481019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12481019 is about 3532.8485673745. The cubic root of 12481019 is about 231.9619128420.

The spelling of 12481019 in words is "twelve million, four hundred eighty-one thousand, nineteen".