14172247 has 2 divisors, whose sum is σ = 14172248. Its totient is φ = 14172246.

The previous prime is 14172229. The next prime is 14172251. The reversal of 14172247 is 74227141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14172247 is a prime.

It is equal to p₉₂₀₅₄₈ and since 14172247 and 920548 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14172217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7086123 + 7086124.

It is an arithmetic number, because the mean of its divisors is an integer number (7086124).

Almost surely, 2^14172247 is an apocalyptic number.

14172247 is a deficient number, since it is larger than the sum of its proper divisors (1).

14172247 is an equidigital number, since it uses as much as digits as its factorization.

14172247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 28.

The square root of 14172247 is about 3764.6044944987. The cubic root of 14172247 is about 241.9986282735.

Adding to 14172247 its reverse (74227141), we get a palindrome (88399388).

The spelling of 14172247 in words is "fourteen million, one hundred seventy-two thousand, two hundred forty-seven".