12149727 has 16 divisors (see below), whose sum is σ = 17364480. Its totient is φ = 7536672.

The previous prime is 12149723. The next prime is 12149741. The reversal of 12149727 is 72794121.

It is not a de Polignac number, because 12149727 - 2² = 12149723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (1085280).

Almost surely, 2^12149727 is an apocalyptic number.

12149727 is a deficient number, since it is larger than the sum of its proper divisors (5214753).

12149727 is a wasteful number, since it uses less digits than its factorization.

12149727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822.

The product of its digits is 7056, while the sum is 33.

The square root of 12149727 is about 3485.6458512018. The cubic root of 12149727 is about 229.8911078741.

The spelling of 12149727 in words is "twelve million, one hundred forty-nine thousand, seven hundred twenty-seven".