12479347 has 4 divisors (see below), whose sum is σ = 12491176. Its totient is φ = 12467520.

The previous prime is 12479321. The next prime is 12479399. The reversal of 12479347 is 74397421.

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 12479347 - 2¹¹ = 12477299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12479647) 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, 4158 + ... + 6499.

It is an arithmetic number, because the mean of its divisors is an integer number (3122794).

Almost surely, 2^12479347 is an apocalyptic number.

12479347 is a deficient number, since it is larger than the sum of its proper divisors (11829).

12479347 is a wasteful number, since it uses less digits than its factorization.

12479347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828.

The product of its digits is 42336, while the sum is 37.

The square root of 12479347 is about 3532.6119232092. The cubic root of 12479347 is about 231.9515542423.

The spelling of 12479347 in words is "twelve million, four hundred seventy-nine thousand, three hundred forty-seven".