13555071 has 12 divisors (see below), whose sum is σ = 19782672. Its totient is φ = 8942976.

The previous prime is 13555067. The next prime is 13555097. The reversal of 13555071 is 17055531.

It is not a de Polignac number, because 13555071 - 2² = 13555067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6891 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (1648556).

Almost surely, 2^13555071 is an apocalyptic number.

13555071 is a deficient number, since it is larger than the sum of its proper divisors (6227601).

13555071 is a wasteful number, since it uses less digits than its factorization.

13555071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630 (or 15627 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 13555071 is about 3681.7212007429. The cubic root of 13555071 is about 238.4334954269.

The spelling of 13555071 in words is "thirteen million, five hundred fifty-five thousand, seventy-one".