12709445 has 16 divisors (see below), whose sum is σ = 17539200. Its totient is φ = 8660544.

The previous prime is 12709427. The next prime is 12709447. The reversal of 12709445 is 54490721.

It is a happy number.

12709445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12709445 - 2¹² = 12705349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12709447) 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, 5006 + ... + 7104.

It is an arithmetic number, because the mean of its divisors is an integer number (1096200).

Almost surely, 2^12709445 is an apocalyptic number.

It is an amenable number.

12709445 is a deficient number, since it is larger than the sum of its proper divisors (4829755).

12709445 is a wasteful number, since it uses less digits than its factorization.

12709445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12709445 is about 3565.0308554064. The cubic root of 12709445 is about 233.3684788330.

The spelling of 12709445 in words is "twelve million, seven hundred nine thousand, four hundred forty-five".