13555413 has 6 divisors (see below), whose sum is σ = 19580054. Its totient is φ = 9036936.

The previous prime is 13555403. The next prime is 13555429. The reversal of 13555413 is 31455531.

It can be written as a sum of positive squares in only one way, i.e., 7518564 + 6036849 = 2742^2 + 2457^2 .

It is not a de Polignac number, because 13555413 - 2¹³ = 13547221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753070 + ... + 753087.

Almost surely, 2^13555413 is an apocalyptic number.

It is an amenable number.

13555413 is a deficient number, since it is larger than the sum of its proper divisors (6024641).

13555413 is a wasteful number, since it uses less digits than its factorization.

13555413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506163 (or 1506160 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 13555413 is about 3681.7676461178. The cubic root of 13555413 is about 238.4355006683.

The spelling of 13555413 in words is "thirteen million, five hundred fifty-five thousand, four hundred thirteen".