13471956 has 36 divisors (see below), whose sum is σ = 36058932. Its totient is φ = 4226304.

The previous prime is 13471919. The next prime is 13471967. The reversal of 13471956 is 65917431.

It can be written as a sum of positive squares in 2 ways, for example, as 9922500 + 3549456 = 3150^2 + 1884^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 13471956.

It is a congruent 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 in 11 ways as a sum of consecutive naturals, for example, 10395 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (1001637).

Almost surely, 2^13471956 is an apocalyptic number.

It is an amenable number.

13471956 is an abundant number, since it is smaller than the sum of its proper divisors (22586976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13471956 is a wasteful number, since it uses less digits than its factorization.

13471956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22040 (or 22035 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 13471956 is about 3670.4163251599. The cubic root of 13471956 is about 237.9451654385.

It can be divided in two parts, 13 and 471956, that added together give a square (471969 = 687²).

The spelling of 13471956 in words is "thirteen million, four hundred seventy-one thousand, nine hundred fifty-six".