13882447 has 2 divisors, whose sum is σ = 13882448. Its totient is φ = 13882446.

The previous prime is 13882399. The next prime is 13882457. The reversal of 13882447 is 74428831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13882447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13882457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6941223 + 6941224.

It is an arithmetic number, because the mean of its divisors is an integer number (6941224).

Almost surely, 2^13882447 is an apocalyptic number.

13882447 is a deficient number, since it is larger than the sum of its proper divisors (1).

13882447 is an equidigital number, since it uses as much as digits as its factorization.

13882447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 13882447 is about 3725.9155921733. The cubic root of 13882447 is about 240.3377593915.

The spelling of 13882447 in words is "thirteen million, eight hundred eighty-two thousand, four hundred forty-seven".