14006381 has 2 divisors, whose sum is σ = 14006382. Its totient is φ = 14006380.

The previous prime is 14006359. The next prime is 14006411. The reversal of 14006381 is 18360041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 4452100 = 3091^2 + 2110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14006381 is a prime.

It is a super-2 number, since 2×14006381² = 392357417434322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14006341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7003190 + 7003191.

It is an arithmetic number, because the mean of its divisors is an integer number (7003191).

Almost surely, 2^14006381 is an apocalyptic number.

It is an amenable number.

14006381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14006381 is an equidigital number, since it uses as much as digits as its factorization.

14006381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 14006381 is about 3742.5099866266. The cubic root of 14006381 is about 241.0508378029.

The spelling of 14006381 in words is "fourteen million, six thousand, three hundred eighty-one".