12427479 has 16 divisors (see below), whose sum is σ = 18470400. Its totient is φ = 8258328.

The previous prime is 12427439. The next prime is 12427483. The reversal of 12427479 is 97472421.

It is not a de Polignac number, because 12427479 - 2¹⁷ = 12296407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11442 + ... + 12480.

It is an arithmetic number, because the mean of its divisors is an integer number (1154400).

Almost surely, 2^12427479 is an apocalyptic number.

12427479 is a deficient number, since it is larger than the sum of its proper divisors (6042921).

12427479 is a wasteful number, since it uses less digits than its factorization.

12427479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1485 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 12427479 is about 3525.2629689145. The cubic root of 12427479 is about 231.6297540231.

The spelling of 12427479 in words is "twelve million, four hundred twenty-seven thousand, four hundred seventy-nine".