13816693 has 4 divisors (see below), whose sum is σ = 15072768. Its totient is φ = 12560620.

The previous prime is 13816687. The next prime is 13816697. The reversal of 13816693 is 39661831.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39661831 = 11 ⋅3605621.

It is a cyclic number.

It is not a de Polignac number, because 13816693 - 2⁵ = 13816661 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 (13816697) 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, 628021 + ... + 628042.

It is an arithmetic number, because the mean of its divisors is an integer number (3768192).

Almost surely, 2^13816693 is an apocalyptic number.

It is an amenable number.

13816693 is a deficient number, since it is larger than the sum of its proper divisors (1256075).

13816693 is a wasteful number, since it uses less digits than its factorization.

13816693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256074.

The product of its digits is 23328, while the sum is 37.

The square root of 13816693 is about 3717.0812474306. The cubic root of 13816693 is about 239.9577066678.

The spelling of 13816693 in words is "thirteen million, eight hundred sixteen thousand, six hundred ninety-three".