12501427 has 2 divisors, whose sum is σ = 12501428. Its totient is φ = 12501426.

The previous prime is 12501413. The next prime is 12501473. The reversal of 12501427 is 72410521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12501427 - 2¹¹ = 12499379 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12501398 and 12501407.

It is not a weakly prime, because it can be changed into another prime (12501497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250713 + 6250714.

It is an arithmetic number, because the mean of its divisors is an integer number (6250714).

Almost surely, 2^12501427 is an apocalyptic number.

12501427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501427 is an equidigital number, since it uses as much as digits as its factorization.

12501427 is an evil number, because the sum of its binary digits is even.

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

The square root of 12501427 is about 3535.7357084488. The cubic root of 12501427 is about 232.0882727410.

Adding to 12501427 its reverse (72410521), we get a palindrome (84911948).

The spelling of 12501427 in words is "twelve million, five hundred one thousand, four hundred twenty-seven".