13347697 has 4 divisors (see below), whose sum is σ = 14561136. Its totient is φ = 12134260.

The previous prime is 13347689. The next prime is 13347707. The reversal of 13347697 is 79674331.

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 13347697 - 2³ = 13347689 is a prime.

It is a super-3 number, since 3×13347697³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13347617) 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, 606703 + ... + 606724.

It is an arithmetic number, because the mean of its divisors is an integer number (3640284).

Almost surely, 2^13347697 is an apocalyptic number.

It is an amenable number.

13347697 is a deficient number, since it is larger than the sum of its proper divisors (1213439).

13347697 is a wasteful number, since it uses less digits than its factorization.

13347697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213438.

The product of its digits is 95256, while the sum is 40.

The square root of 13347697 is about 3653.4500133436. The cubic root of 13347697 is about 237.2113397906.

The spelling of 13347697 in words is "thirteen million, three hundred forty-seven thousand, six hundred ninety-seven".