13197434 has 8 divisors (see below), whose sum is σ = 19906068. Its totient is φ = 6562080.

The previous prime is 13197433. The next prime is 13197439. The reversal of 13197434 is 43479131.

It can be written as a sum of positive squares in 2 ways, for example, as 12581209 + 616225 = 3547^2 + 785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×13197434⁴ (a number of 30 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13197434.

It is not an unprimeable number, because it can be changed into a prime (13197433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17867 + ... + 18590.

Almost surely, 2^13197434 is an apocalyptic number.

13197434 is a deficient number, since it is larger than the sum of its proper divisors (6708634).

13197434 is a wasteful number, since it uses less digits than its factorization.

13197434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36640.

The product of its digits is 9072, while the sum is 32.

The square root of 13197434 is about 3632.8272736259. The cubic root of 13197434 is about 236.3178351904.

It can be divided in two parts, 13197 and 434, that added together give a palindrome (13631).

The spelling of 13197434 in words is "thirteen million, one hundred ninety-seven thousand, four hundred thirty-four".