12895442405 has 16 divisors (see below), whose sum is σ = 16635559680. Its totient is φ = 9565440192.

The previous prime is 12895442401. The next prime is 12895442411. The reversal of 12895442405 is 50424459821.

It is a cyclic number.

It is not a de Polignac number, because 12895442405 - 2² = 12895442401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12895442401) 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, 1439594 + ... + 1448523.

It is an arithmetic number, because the mean of its divisors is an integer number (1039722480).

Almost surely, 2^12895442405 is an apocalyptic number.

It is an amenable number.

12895442405 is a deficient number, since it is larger than the sum of its proper divisors (3740117275).

12895442405 is a wasteful number, since it uses less digits than its factorization.

12895442405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888188.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 12895442405 in words is "twelve billion, eight hundred ninety-five million, four hundred forty-two thousand, four hundred five".