13066434 has 20 divisors (see below), whose sum is σ = 29278854. Its totient is φ = 4355424.

The previous prime is 13066429. The next prime is 13066447. The reversal of 13066434 is 43466031.

13066434 is a `hidden beast` number, since 13 + 0 + 6 + 643 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6579225 + 6487209 = 2565^2 + 2547^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13066398 and 13066407.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40167 + ... + 40490.

Almost surely, 2^13066434 is an apocalyptic number.

13066434 is an abundant number, since it is smaller than the sum of its proper divisors (16212420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13066434 is an equidigital number, since it uses as much as digits as its factorization.

13066434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80671 (or 80662 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 13066434 is about 3614.7522736697. The cubic root of 13066434 is about 235.5333232086.

It can be divided in two parts, 130 and 66434, that added together give a square (66564 = 258²).

The spelling of 13066434 in words is "thirteen million, sixty-six thousand, four hundred thirty-four".