12378049 has 8 divisors (see below), whose sum is σ = 12631680. Its totient is φ = 12126576.

The previous prime is 12378043. The next prime is 12378053. The reversal of 12378049 is 94087321.

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

It is a cyclic number.

It is not a de Polignac number, because 12378049 - 2¹⁷ = 12246977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12378043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15627 + ... + 16399.

It is an arithmetic number, because the mean of its divisors is an integer number (1578960).

Almost surely, 2^12378049 is an apocalyptic number.

It is an amenable number.

12378049 is a deficient number, since it is larger than the sum of its proper divisors (253631).

12378049 is an equidigital number, since it uses as much as digits as its factorization.

12378049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12378049 is about 3518.2451591667. The cubic root of 12378049 is about 231.3222453601.

The spelling of 12378049 in words is "twelve million, three hundred seventy-eight thousand, forty-nine".