13430493 has 24 divisors (see below), whose sum is σ = 21051576. Its totient is φ = 8217600.

The previous prime is 13430477. The next prime is 13430503. The reversal of 13430493 is 39403431.

It can be written as a sum of positive squares in 4 ways, for example, as 3583449 + 9847044 = 1893^2 + 3138^2 .

It is not a de Polignac number, because 13430493 - 2⁴ = 13430477 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5203 + ... + 7343.

It is an arithmetic number, because the mean of its divisors is an integer number (877149).

Almost surely, 2^13430493 is an apocalyptic number.

It is an amenable number.

13430493 is a deficient number, since it is larger than the sum of its proper divisors (7621083).

13430493 is a wasteful number, since it uses less digits than its factorization.

13430493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13430493 is about 3664.7637031601. The cubic root of 13430493 is about 237.7008045040.

The spelling of 13430493 in words is "thirteen million, four hundred thirty thousand, four hundred ninety-three".