12427450 has 24 divisors (see below), whose sum is σ = 26417952. Its totient is φ = 4260720.

The previous prime is 12427439. The next prime is 12427483. The reversal of 12427450 is 5472421.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17404 + ... + 18103.

It is an arithmetic number, because the mean of its divisors is an integer number (1100748).

Almost surely, 2^12427450 is an apocalyptic number.

12427450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12427450 is an abundant number, since it is smaller than the sum of its proper divisors (13990502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12427450 is a wasteful number, since it uses less digits than its factorization.

12427450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35526 (or 35521 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12427450 is about 3525.2588557438. The cubic root of 12427450 is about 231.6295738507.

Adding to 12427450 its reverse (5472421), we get a palindrome (17899871).

The spelling of 12427450 in words is "twelve million, four hundred twenty-seven thousand, four hundred fifty".