14078399 has 2 divisors, whose sum is σ = 14078400. Its totient is φ = 14078398.

The previous prime is 14078387. The next prime is 14078429. The reversal of 14078399 is 99387041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14078399 - 2¹² = 14074303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14078899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7039199 + 7039200.

It is an arithmetic number, because the mean of its divisors is an integer number (7039200).

Almost surely, 2^14078399 is an apocalyptic number.

14078399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14078399 is an equidigital number, since it uses as much as digits as its factorization.

14078399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 14078399 is about 3752.1192678272. The cubic root of 14078399 is about 241.4632767254.

The spelling of 14078399 in words is "fourteen million, seventy-eight thousand, three hundred ninety-nine".