13864407 has 8 divisors (see below), whose sum is σ = 19123440. Its totient is φ = 8924160.

The previous prime is 13864397. The next prime is 13864457. The reversal of 13864407 is 70446831.

13864407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13864407 - 2⁴ = 13864391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79594 + ... + 79767.

It is an arithmetic number, because the mean of its divisors is an integer number (2390430).

Almost surely, 2^13864407 is an apocalyptic number.

13864407 is a deficient number, since it is larger than the sum of its proper divisors (5259033).

13864407 is a wasteful number, since it uses less digits than its factorization.

13864407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159393.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 13864407 is about 3723.4939237227. The cubic root of 13864407 is about 240.2336093429.

The spelling of 13864407 in words is "thirteen million, eight hundred sixty-four thousand, four hundred seven".