12427455 has 16 divisors (see below), whose sum is σ = 20003040. Its totient is φ = 6588288.

The previous prime is 12427439. The next prime is 12427483. The reversal of 12427455 is 55472421.

It is not a de Polignac number, because 12427455 - 2⁴ = 12427439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (1250190).

Almost surely, 2^12427455 is an apocalyptic number.

12427455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12427455 is a deficient number, since it is larger than the sum of its proper divisors (7575585).

12427455 is a wasteful number, since it uses less digits than its factorization.

12427455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970.

The product of its digits is 11200, while the sum is 30.

The square root of 12427455 is about 3525.2595649115. The cubic root of 12427455 is about 231.6296049149.

Adding to 12427455 its reverse (55472421), we get a palindrome (67899876).

The spelling of 12427455 in words is "twelve million, four hundred twenty-seven thousand, four hundred fifty-five".