13923707 has 4 divisors (see below), whose sum is σ = 15912816. Its totient is φ = 11934600.

The previous prime is 13923691. The next prime is 13923719. The reversal of 13923707 is 70732931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13923707 - 2⁴ = 13923691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13923737) 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, 994544 + ... + 994557.

It is an arithmetic number, because the mean of its divisors is an integer number (3978204).

Almost surely, 2^13923707 is an apocalyptic number.

13923707 is a deficient number, since it is larger than the sum of its proper divisors (1989109).

13923707 is an equidigital number, since it uses as much as digits as its factorization.

13923707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989108.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 13923707 is about 3731.4483783110. The cubic root of 13923707 is about 240.5756263908.

The spelling of 13923707 in words is "thirteen million, nine hundred twenty-three thousand, seven hundred seven".