12478341 has 4 divisors (see below), whose sum is σ = 16637792. Its totient is φ = 8318892.

The previous prime is 12478339. The next prime is 12478363. The reversal of 12478341 is 14387421.

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: 14387421 = 3 ⋅4795807.

It is not a de Polignac number, because 12478341 - 2¹ = 12478339 is a prime.

It is a super-2 number, since 2×12478341² = 311417988224562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12478299 and 12478308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478331) 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, 2079721 + ... + 2079726.

It is an arithmetic number, because the mean of its divisors is an integer number (4159448).

Almost surely, 2^12478341 is an apocalyptic number.

It is an amenable number.

12478341 is a deficient number, since it is larger than the sum of its proper divisors (4159451).

12478341 is an equidigital number, since it uses as much as digits as its factorization.

12478341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159450.

The product of its digits is 5376, while the sum is 30.

The square root of 12478341 is about 3532.4695327773. The cubic root of 12478341 is about 231.9453212897.

The spelling of 12478341 in words is "twelve million, four hundred seventy-eight thousand, three hundred forty-one".