13019393 has 4 divisors (see below), whose sum is σ = 13061568. Its totient is φ = 12977220.

The previous prime is 13019359. The next prime is 13019401. The reversal of 13019393 is 39391031.

13019393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13019393 - 2⁸ = 13019137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13019323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20621 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (3265392).

Almost surely, 2^13019393 is an apocalyptic number.

It is an amenable number.

13019393 is a deficient number, since it is larger than the sum of its proper divisors (42175).

13019393 is an equidigital number, since it uses as much as digits as its factorization.

13019393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42174.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 13019393 is about 3608.2395984746. The cubic root of 13019393 is about 235.2503323048.

The spelling of 13019393 in words is "thirteen million, nineteen thousand, three hundred ninety-three".