12578993 has 16 divisors (see below), whose sum is σ = 14820480. Its totient is φ = 10454400.

The previous prime is 12578987. The next prime is 12579023. The reversal of 12578993 is 39987521.

It is a cyclic number.

It is not a de Polignac number, because 12578993 - 2⁸ = 12578737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12578903) 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, 37838 + ... + 38168.

It is an arithmetic number, because the mean of its divisors is an integer number (926280).

Almost surely, 2^12578993 is an apocalyptic number.

It is an amenable number.

12578993 is a deficient number, since it is larger than the sum of its proper divisors (2241487).

12578993 is an equidigital number, since it uses as much as digits as its factorization.

12578993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 136080, while the sum is 44.

The square root of 12578993 is about 3546.6876095873. The cubic root of 12578993 is about 232.5672861868.

The spelling of 12578993 in words is "twelve million, five hundred seventy-eight thousand, nine hundred ninety-three".