12745641 has 8 divisors (see below), whose sum is σ = 17013024. Its totient is φ = 8487680.

The previous prime is 12745639. The next prime is 12745643. The reversal of 12745641 is 14654721.

It is an interprime number because it is at equal distance from previous prime (12745639) and next prime (12745643).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12745641 - 2¹ = 12745639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12745599 and 12745608.

It is not an unprimeable number, because it can be changed into a prime (12745643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (2126628).

Almost surely, 2^12745641 is an apocalyptic number.

It is an amenable number.

12745641 is a deficient number, since it is larger than the sum of its proper divisors (4267383).

12745641 is a wasteful number, since it uses less digits than its factorization.

12745641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711.

The product of its digits is 6720, while the sum is 30.

The square root of 12745641 is about 3570.1037800042. The cubic root of 12745641 is about 233.5898102709.

The spelling of 12745641 in words is "twelve million, seven hundred forty-five thousand, six hundred forty-one".