13478193 has 6 divisors (see below), whose sum is σ = 19468514. Its totient is φ = 8985456.

The previous prime is 13478191. The next prime is 13478203. The reversal of 13478193 is 39187431.

It is a happy number.

13478193 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 431649 = 3612^2 + 657^2 .

It is not a de Polignac number, because 13478193 - 2¹ = 13478191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13478191) 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, 748780 + ... + 748797.

Almost surely, 2^13478193 is an apocalyptic number.

It is an amenable number.

13478193 is a deficient number, since it is larger than the sum of its proper divisors (5990321).

13478193 is a wasteful number, since it uses less digits than its factorization.

13478193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497583 (or 1497580 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 13478193 is about 3671.2658579841. The cubic root of 13478193 is about 237.9818796081.

The spelling of 13478193 in words is "thirteen million, four hundred seventy-eight thousand, one hundred ninety-three".