12427051 has 32 divisors (see below), whose sum is σ = 16813440. Its totient is φ = 8902656.

The previous prime is 12427027. The next prime is 12427057. The reversal of 12427051 is 15072421.

It is a happy number.

It is not a de Polignac number, because 12427051 - 2¹⁹ = 11902763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12427057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44725 + ... + 45001.

It is an arithmetic number, because the mean of its divisors is an integer number (525420).

Almost surely, 2^12427051 is an apocalyptic number.

12427051 is a deficient number, since it is larger than the sum of its proper divisors (4386389).

12427051 is a wasteful number, since it uses less digits than its factorization.

12427051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12427051 is about 3525.2022637006. The cubic root of 12427051 is about 231.6270948978.

Adding to 12427051 its reverse (15072421), we get a palindrome (27499472).

The spelling of 12427051 in words is "twelve million, four hundred twenty-seven thousand, fifty-one".