13983776 has 12 divisors (see below), whose sum is σ = 27530622. Its totient is φ = 6991872.

The previous prime is 13983773. The next prime is 13983779. The reversal of 13983776 is 67738931.

It is an interprime number because it is at equal distance from previous prime (13983773) and next prime (13983779).

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 115600 = 3724^2 + 340^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13983773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218465 + ... + 218528.

Almost surely, 2^13983776 is an apocalyptic number.

13983776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13983776 is a deficient number, since it is larger than the sum of its proper divisors (13546846).

13983776 is an equidigital number, since it uses as much as digits as its factorization.

13983776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437003 (or 436995 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 13983776 is about 3739.4887351080. The cubic root of 13983776 is about 240.9210900784.

The spelling of 13983776 in words is "thirteen million, nine hundred eighty-three thousand, seven hundred seventy-six".