13983125 has 20 divisors (see below), whose sum is σ = 18828348. Its totient is φ = 10320000.

The previous prime is 13983121. The next prime is 13983131. The reversal of 13983125 is 52138931.

It can be written as a sum of positive squares in 10 ways, for example, as 11546404 + 2436721 = 3398^2 + 1561^2 .

It is not a de Polignac number, because 13983125 - 2² = 13983121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13983091 and 13983100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13983121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7265 + ... + 8985.

Almost surely, 2^13983125 is an apocalyptic number.

It is an amenable number.

13983125 is a deficient number, since it is larger than the sum of its proper divisors (4845223).

13983125 is an equidigital number, since it uses as much as digits as its factorization.

13983125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1739 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 13983125 is about 3739.4016901103. The cubic root of 13983125 is about 240.9173514110.

It can be divided in two parts, 13 and 983125, that multiplied together give a square (12780625 = 3575²).

The spelling of 13983125 in words is "thirteen million, nine hundred eighty-three thousand, one hundred twenty-five".