13071493 has 2 divisors, whose sum is σ = 13071494. Its totient is φ = 13071492.

The previous prime is 13071481. The next prime is 13071503. The reversal of 13071493 is 39417031.

13071493 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9529569 + 3541924 = 3087^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 13071493 - 2¹³ = 13063301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13071413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535746 + 6535747.

It is an arithmetic number, because the mean of its divisors is an integer number (6535747).

Almost surely, 2^13071493 is an apocalyptic number.

It is an amenable number.

13071493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13071493 is an equidigital number, since it uses as much as digits as its factorization.

13071493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13071493 is about 3615.4519772775. The cubic root of 13071493 is about 235.5637168450.

The spelling of 13071493 in words is "thirteen million, seventy-one thousand, four hundred ninety-three".