13907693 has 4 divisors (see below), whose sum is σ = 14103648. Its totient is φ = 13711740.

The previous prime is 13907689. The next prime is 13907737. The reversal of 13907693 is 39670931.

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: 39670931 = 983 ⋅40357.

It is a cyclic number.

It is not a de Polignac number, because 13907693 - 2² = 13907689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13907603) 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, 97871 + ... + 98012.

It is an arithmetic number, because the mean of its divisors is an integer number (3525912).

Almost surely, 2^13907693 is an apocalyptic number.

It is an amenable number.

13907693 is a deficient number, since it is larger than the sum of its proper divisors (195955).

13907693 is an equidigital number, since it uses as much as digits as its factorization.

13907693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195954.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 13907693 is about 3729.3019454048. The cubic root of 13907693 is about 240.4833603488.

The spelling of 13907693 in words is "thirteen million, nine hundred seven thousand, six hundred ninety-three".