13731983 has 2 divisors, whose sum is σ = 13731984. Its totient is φ = 13731982.

The previous prime is 13731973. The next prime is 13732001. The reversal of 13731983 is 38913731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13731983 - 2⁴ = 13731967 is a prime.

It is a super-2 number, since 2×13731983² = 377134714224578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13731973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6865991 + 6865992.

It is an arithmetic number, because the mean of its divisors is an integer number (6865992).

Almost surely, 2^13731983 is an apocalyptic number.

13731983 is a deficient number, since it is larger than the sum of its proper divisors (1).

13731983 is an equidigital number, since it uses as much as digits as its factorization.

13731983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 13731983 is about 3705.6690354105. The cubic root of 13731983 is about 239.4663083143.

The spelling of 13731983 in words is "thirteen million, seven hundred thirty-one thousand, nine hundred eighty-three".