12645727 has 4 divisors (see below), whose sum is σ = 12853096. Its totient is φ = 12438360.

The previous prime is 12645713. The next prime is 12645733. The reversal of 12645727 is 72754621.

12645727 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12645727 - 2¹⁵ = 12612959 is a prime.

It is a super-2 number, since 2×12645727² = 319828822717058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12645692 and 12645701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103593 + ... + 103714.

It is an arithmetic number, because the mean of its divisors is an integer number (3213274).

Almost surely, 2^12645727 is an apocalyptic number.

12645727 is a deficient number, since it is larger than the sum of its proper divisors (207369).

12645727 is an equidigital number, since it uses as much as digits as its factorization.

12645727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207368.

The product of its digits is 23520, while the sum is 34.

The square root of 12645727 is about 3556.0830980167. The cubic root of 12645727 is about 232.9778325660.

The spelling of 12645727 in words is "twelve million, six hundred forty-five thousand, seven hundred twenty-seven".