13133493 has 6 divisors (see below), whose sum is σ = 18970614. Its totient is φ = 8755656.

The previous prime is 13133479. The next prime is 13133507. The reversal of 13133493 is 39433131.

13133493 is a `hidden beast` number, since 1 + 313 + 349 + 3 = 666.

13133493 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 (13133479) and next prime (13133507).

It can be written as a sum of positive squares in only one way, i.e., 12552849 + 580644 = 3543^2 + 762^2 .

It is not a de Polignac number, because 13133493 - 2⁹ = 13132981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729630 + ... + 729647.

It is an arithmetic number, because the mean of its divisors is an integer number (3161769).

Almost surely, 2^13133493 is an apocalyptic number.

It is an amenable number.

13133493 is a deficient number, since it is larger than the sum of its proper divisors (5837121).

13133493 is a wasteful number, since it uses less digits than its factorization.

13133493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459283 (or 1459280 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 13133493 is about 3624.0161423482. The cubic root of 13133493 is about 235.9355672517.

The spelling of 13133493 in words is "thirteen million, one hundred thirty-three thousand, four hundred ninety-three".