13697443 has 8 divisors (see below), whose sum is σ = 14754816. Its totient is φ = 12678600.

The previous prime is 13697429. The next prime is 13697471. The reversal of 13697443 is 34479631.

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

It is a cyclic number.

It is not a de Polignac number, because 13697443 - 2⁹ = 13696931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13697473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8893 + ... + 10318.

It is an arithmetic number, because the mean of its divisors is an integer number (1844352).

Almost surely, 2^13697443 is an apocalyptic number.

13697443 is a deficient number, since it is larger than the sum of its proper divisors (1057373).

13697443 is a wasteful number, since it uses less digits than its factorization.

13697443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19265.

The product of its digits is 54432, while the sum is 37.

The square root of 13697443 is about 3701.0056741378. The cubic root of 13697443 is about 239.2653635367.

It can be divided in two parts, 136 and 97443, that added together give a palindrome (97579).

The spelling of 13697443 in words is "thirteen million, six hundred ninety-seven thousand, four hundred forty-three".