12913593 has 16 divisors (see below), whose sum is σ = 21467136. Its totient is φ = 6708240.

The previous prime is 12913583. The next prime is 12913601. The reversal of 12913593 is 39531921.

12913593 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12913593 - 2⁵ = 12913561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12913543) 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, 27721 + ... + 28182.

It is an arithmetic number, because the mean of its divisors is an integer number (1341696).

Almost surely, 2^12913593 is an apocalyptic number.

It is an amenable number.

12913593 is a deficient number, since it is larger than the sum of its proper divisors (8553543).

12913593 is a wasteful number, since it uses less digits than its factorization.

12913593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55924.

The product of its digits is 7290, while the sum is 33.

The square root of 12913593 is about 3593.5488030636. The cubic root of 12913593 is about 234.6113570130.

It can be divided in two parts, 1291 and 3593, that added together give a palindrome (4884).

The spelling of 12913593 in words is "twelve million, nine hundred thirteen thousand, five hundred ninety-three".