13434397 has 4 divisors (see below), whose sum is σ = 13466880. Its totient is φ = 13401916.

The previous prime is 13434391. The next prime is 13434401. The reversal of 13434397 is 79343431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13434397 - 2³ = 13434389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15613 + ... + 16450.

It is an arithmetic number, because the mean of its divisors is an integer number (3366720).

Almost surely, 2^13434397 is an apocalyptic number.

It is an amenable number.

13434397 is a deficient number, since it is larger than the sum of its proper divisors (32483).

13434397 is an equidigital number, since it uses as much as digits as its factorization.

13434397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32482.

The product of its digits is 27216, while the sum is 34.

The square root of 13434397 is about 3665.2963045298. The cubic root of 13434397 is about 237.7238340393.

It can be divided in two parts, 13434 and 397, that added together give a palindrome (13831).

The spelling of 13434397 in words is "thirteen million, four hundred thirty-four thousand, three hundred ninety-seven".