12381479 has 8 divisors (see below), whose sum is σ = 13548288. Its totient is φ = 11221560.

The previous prime is 12381469. The next prime is 12381487. The reversal of 12381479 is 97418321.

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 12381479 - 2⁸ = 12381223 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12381409) 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, 2504 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (1693536).

Almost surely, 2^12381479 is an apocalyptic number.

12381479 is a deficient number, since it is larger than the sum of its proper divisors (1166809).

12381479 is a wasteful number, since it uses less digits than its factorization.

12381479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its digits is 12096, while the sum is 35.

The square root of 12381479 is about 3518.7325843264. The cubic root of 12381479 is about 231.3436101170.

The spelling of 12381479 in words is "twelve million, three hundred eighty-one thousand, four hundred seventy-nine".