12578741 has 24 divisors (see below), whose sum is σ = 15732000. Its totient is φ = 9997344.

The previous prime is 12578737. The next prime is 12578743. The reversal of 12578741 is 14787521.

It is not a de Polignac number, because 12578741 - 2² = 12578737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54815 + ... + 55043.

It is an arithmetic number, because the mean of its divisors is an integer number (655500).

Almost surely, 2^12578741 is an apocalyptic number.

It is an amenable number.

12578741 is a deficient number, since it is larger than the sum of its proper divisors (3153259).

12578741 is a wasteful number, since it uses less digits than its factorization.

12578741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 314 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 12578741 is about 3546.6520833034. The cubic root of 12578741 is about 232.5657331386.

The spelling of 12578741 in words is "twelve million, five hundred seventy-eight thousand, seven hundred forty-one".