13430516 has 18 divisors (see below), whose sum is σ = 25835250. Its totient is φ = 6104560.

The previous prime is 13430507. The next prime is 13430539. The reversal of 13430516 is 61503431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 3254416 = 3190^2 + 1804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13430491 and 13430500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13391 + ... + 14358.

Almost surely, 2^13430516 is an apocalyptic number.

It is an amenable number.

13430516 is a deficient number, since it is larger than the sum of its proper divisors (12404734).

13430516 is a wasteful number, since it uses less digits than its factorization.

13430516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775 (or 27762 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13430516 is about 3664.7668411510. The cubic root of 13430516 is about 237.7009401931.

Adding to 13430516 its reverse (61503431), we get a palindrome (74933947).

The spelling of 13430516 in words is "thirteen million, four hundred thirty thousand, five hundred sixteen".