13386434 has 4 divisors (see below), whose sum is σ = 20079654. Its totient is φ = 6693216.

The previous prime is 13386433. The next prime is 13386479. The reversal of 13386434 is 43468331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43468331 = 4409 ⋅9859.

It can be written as a sum of positive squares in only one way, i.e., 13344409 + 42025 = 3653^2 + 205^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13386434.

It is not an unprimeable number, because it can be changed into a prime (13386433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3346607 + ... + 3346610.

Almost surely, 2^13386434 is an apocalyptic number.

13386434 is a deficient number, since it is larger than the sum of its proper divisors (6693220).

13386434 is an equidigital number, since it uses as much as digits as its factorization.

13386434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693219.

The product of its digits is 20736, while the sum is 32.

The square root of 13386434 is about 3658.7475999309. The cubic root of 13386434 is about 237.4405923434.

The spelling of 13386434 in words is "thirteen million, three hundred eighty-six thousand, four hundred thirty-four".