13914247 has 6 divisors (see below), whose sum is σ = 14066304. Its totient is φ = 13762980.

The previous prime is 13914239. The next prime is 13914253. The reversal of 13914247 is 74241931.

It is not a de Polignac number, because 13914247 - 2³ = 13914239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13914647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41872 + ... + 42202.

It is an arithmetic number, because the mean of its divisors is an integer number (2344384).

Almost surely, 2^13914247 is an apocalyptic number.

13914247 is a deficient number, since it is larger than the sum of its proper divisors (152057).

13914247 is an frugal number, since it uses more digits than its factorization.

13914247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 458 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13914247 is about 3730.1805586325. The cubic root of 13914247 is about 240.5211303423.

It can be divided in two parts, 13914 and 247, that added together give a square (14161 = 119²).

The spelling of 13914247 in words is "thirteen million, nine hundred fourteen thousand, two hundred forty-seven".