13471946 has 4 divisors (see below), whose sum is σ = 20207922. Its totient is φ = 6735972.

The previous prime is 13471919. The next prime is 13471967. The reversal of 13471946 is 64917431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 2175625 = 3361^2 + 1475^2 .

It is a Curzon number.

It is a zygodrome in base 3.

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, 3367985 + ... + 3367988.

Almost surely, 2^13471946 is an apocalyptic number.

13471946 is a deficient number, since it is larger than the sum of its proper divisors (6735976).

13471946 is an equidigital number, since it uses as much as digits as its factorization.

13471946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735975.

The product of its digits is 18144, while the sum is 35.

The square root of 13471946 is about 3670.4149629163. The cubic root of 13471946 is about 237.9451065643.

It can be divided in two parts, 1347 and 1946, that multiplied together give a palindrome (2621262).

The spelling of 13471946 in words is "thirteen million, four hundred seventy-one thousand, nine hundred forty-six".