13900727 has 4 divisors (see below), whose sum is σ = 13908840. Its totient is φ = 13892616.

The previous prime is 13900721. The next prime is 13900729. The reversal of 13900727 is 72700931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13900727 - 2¹⁰ = 13899703 is a prime.

It is a super-2 number, since 2×13900727² = 386460422257058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13900727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900721) 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, 368 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (3477210).

Almost surely, 2^13900727 is an apocalyptic number.

13900727 is a deficient number, since it is larger than the sum of its proper divisors (8113).

13900727 is an equidigital number, since it uses as much as digits as its factorization.

13900727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 13900727 is about 3728.3678734803. The cubic root of 13900727 is about 240.4432030331.

The spelling of 13900727 in words is "thirteen million, nine hundred thousand, seven hundred twenty-seven".