13430672 has 20 divisors (see below), whose sum is σ = 26160156. Its totient is φ = 6679680.

The previous prime is 13430671. The next prime is 13430687. The reversal of 13430672 is 27603431.

It can be written as a sum of positive squares in 2 ways, for example, as 13075456 + 355216 = 3616^2 + 596^2 .

It is not an unprimeable number, because it can be changed into a prime (13430671) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 5282.

Almost surely, 2^13430672 is an apocalyptic number.

It is an amenable number.

13430672 is a deficient number, since it is larger than the sum of its proper divisors (12729484).

13430672 is a wasteful number, since it uses less digits than its factorization.

13430672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466 (or 4460 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 13430672 is about 3664.7881248443. The cubic root of 13430672 is about 237.7018605152.

The spelling of 13430672 in words is "thirteen million, four hundred thirty thousand, six hundred seventy-two".