12957845 has 16 divisors (see below), whose sum is σ = 16450560. Its totient is φ = 9782400.

The previous prime is 12957839. The next prime is 12957851. The reversal of 12957845 is 54875921.

12957845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12957839) and next prime (12957851).

It is not a de Polignac number, because 12957845 - 2⁶ = 12957781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5336 + ... + 7374.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^12957845 is an apocalyptic number.

It is an amenable number.

12957845 is a deficient number, since it is larger than the sum of its proper divisors (3492715).

12957845 is a wasteful number, since it uses less digits than its factorization.

12957845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its digits is 100800, while the sum is 41.

The square root of 12957845 is about 3599.7006820012. The cubic root of 12957845 is about 234.8790383970.

The spelling of 12957845 in words is "twelve million, nine hundred fifty-seven thousand, eight hundred forty-five".