12491627 has 2 divisors, whose sum is σ = 12491628. Its totient is φ = 12491626.

The previous prime is 12491603. The next prime is 12491693. The reversal of 12491627 is 72619421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12491627 - 2¹⁰ = 12490603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12491593 and 12491602.

It is not a weakly prime, because it can be changed into another prime (12490627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245813 + 6245814.

It is an arithmetic number, because the mean of its divisors is an integer number (6245814).

Almost surely, 2^12491627 is an apocalyptic number.

12491627 is a deficient number, since it is larger than the sum of its proper divisors (1).

12491627 is an equidigital number, since it uses as much as digits as its factorization.

12491627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 12491627 is about 3534.3495865576. The cubic root of 12491627 is about 232.0276114085.

The spelling of 12491627 in words is "twelve million, four hundred ninety-one thousand, six hundred twenty-seven".