13661482 has 4 divisors (see below), whose sum is σ = 20492226. Its totient is φ = 6830740.

The previous prime is 13661467. The next prime is 13661491. The reversal of 13661482 is 28416631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28416631 = 127 ⋅223753.

It can be written as a sum of positive squares in only one way, i.e., 12243001 + 1418481 = 3499^2 + 1191^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 3415369 + ... + 3415372.

Almost surely, 2^13661482 is an apocalyptic number.

13661482 is a deficient number, since it is larger than the sum of its proper divisors (6830744).

13661482 is an equidigital number, since it uses as much as digits as its factorization.

13661482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830743.

The product of its digits is 6912, while the sum is 31.

The square root of 13661482 is about 3696.1442071434. The cubic root of 13661482 is about 239.0557924870.

The spelling of 13661482 in words is "thirteen million, six hundred sixty-one thousand, four hundred eighty-two".