13216693 has 8 divisors (see below), whose sum is σ = 15139712. Its totient is φ = 11302416.

The previous prime is 13216669. The next prime is 13216699. The reversal of 13216693 is 39661231.

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 13216693 - 2⁵ = 13216661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216699) 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, 1471 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (1892464).

Almost surely, 2^13216693 is an apocalyptic number.

It is an amenable number.

13216693 is a deficient number, since it is larger than the sum of its proper divisors (1923019).

13216693 is an equidigital number, since it uses as much as digits as its factorization.

13216693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371.

The product of its digits is 5832, while the sum is 31.

The square root of 13216693 is about 3635.4769975892. The cubic root of 13216693 is about 236.4327320990.

The spelling of 13216693 in words is "thirteen million, two hundred sixteen thousand, six hundred ninety-three".