13431716 has 6 divisors (see below), whose sum is σ = 23505510. Its totient is φ = 6715856.

The previous prime is 13431679. The next prime is 13431721. The reversal of 13431716 is 61713431.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 3534400 = 3146^2 + 1880^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678961 + ... + 1678968.

It is an arithmetic number, because the mean of its divisors is an integer number (3917585).

Almost surely, 2^13431716 is an apocalyptic number.

It is an amenable number.

13431716 is a deficient number, since it is larger than the sum of its proper divisors (10073794).

13431716 is a wasteful number, since it uses less digits than its factorization.

13431716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357933 (or 3357931 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 13431716 is about 3664.9305586873. The cubic root of 13431716 is about 237.7080194106.

The spelling of 13431716 in words is "thirteen million, four hundred thirty-one thousand, seven hundred sixteen".