12480019 has 4 divisors (see below), whose sum is σ = 12770296. Its totient is φ = 12189744.

The previous prime is 12479993. The next prime is 12480029. The reversal of 12480019 is 91008421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12480019 - 2⁹ = 12479507 is a prime.

It is a super-2 number, since 2×12480019² = 311501748480722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12479975 and 12480002.

It is not an unprimeable number, because it can be changed into a prime (12480029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145074 + ... + 145159.

It is an arithmetic number, because the mean of its divisors is an integer number (3192574).

Almost surely, 2^12480019 is an apocalyptic number.

12480019 is a deficient number, since it is larger than the sum of its proper divisors (290277).

12480019 is an equidigital number, since it uses as much as digits as its factorization.

12480019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290276.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12480019 is about 3532.7070356881. The cubic root of 12480019 is about 231.9557176184.

The spelling of 12480019 in words is "twelve million, four hundred eighty thousand, nineteen".