13870983 has 16 divisors (see below), whose sum is σ = 21629696. Its totient is φ = 7741440.

The previous prime is 13870979. The next prime is 13871023. The reversal of 13870983 is 38907831.

It is not a de Polignac number, because 13870983 - 2² = 13870979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6778 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (1351856).

Almost surely, 2^13870983 is an apocalyptic number.

13870983 is a deficient number, since it is larger than the sum of its proper divisors (7758713).

13870983 is a wasteful number, since it uses less digits than its factorization.

13870983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 13870983 is about 3724.3768606305. The cubic root of 13870983 is about 240.2715849187.

The spelling of 13870983 in words is "thirteen million, eight hundred seventy thousand, nine hundred eighty-three".