13447061 has 4 divisors (see below), whose sum is σ = 13454412. Its totient is φ = 13439712.

The previous prime is 13447043. The next prime is 13447067. The reversal of 13447061 is 16074431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 5640625 = 2794^2 + 2375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13447061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13447061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13447067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (3363603).

Almost surely, 2^13447061 is an apocalyptic number.

It is an amenable number.

13447061 is a deficient number, since it is larger than the sum of its proper divisors (7351).

13447061 is an equidigital number, since it uses as much as digits as its factorization.

13447061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13447061 is about 3667.0234523384. The cubic root of 13447061 is about 237.7985077584.

The spelling of 13447061 in words is "thirteen million, four hundred forty-seven thousand, sixty-one".