13983407 has 2 divisors, whose sum is σ = 13983408. Its totient is φ = 13983406.

The previous prime is 13983391. The next prime is 13983421. The reversal of 13983407 is 70438931.

It is a strong prime.

It is an emirp because it is prime and its reverse (70438931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13983407 - 2⁴ = 13983391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13983007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6991703 + 6991704.

It is an arithmetic number, because the mean of its divisors is an integer number (6991704).

Almost surely, 2^13983407 is an apocalyptic number.

13983407 is a deficient number, since it is larger than the sum of its proper divisors (1).

13983407 is an equidigital number, since it uses as much as digits as its factorization.

13983407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13983407 is about 3739.4393964871. The cubic root of 13983407 is about 240.9189709402.

The spelling of 13983407 in words is "thirteen million, nine hundred eighty-three thousand, four hundred seven".