13874697 has 12 divisors (see below), whose sum is σ = 20073924. Its totient is φ = 9234720.

The previous prime is 13874689. The next prime is 13874713. The reversal of 13874697 is 79647831.

13874697 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 2013561 = 3444^2 + 1419^2 .

It is not a de Polignac number, because 13874697 - 2³ = 13874689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13874647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8823 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (1672827).

Almost surely, 2^13874697 is an apocalyptic number.

It is an amenable number.

13874697 is a deficient number, since it is larger than the sum of its proper divisors (6199227).

13874697 is a wasteful number, since it uses less digits than its factorization.

13874697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2517 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 13874697 is about 3724.8754341588. The cubic root of 13874697 is about 240.2930274997.

It can be divided in two parts, 1387 and 4697, that added together give a square (6084 = 78²).

The spelling of 13874697 in words is "thirteen million, eight hundred seventy-four thousand, six hundred ninety-seven".