13556045 has 8 divisors (see below), whose sum is σ = 16411896. Its totient is φ = 10748416.

The previous prime is 13556033. The next prime is 13556047. The reversal of 13556045 is 54065531.

It can be written as a sum of positive squares in 4 ways, for example, as 1811716 + 11744329 = 1346^2 + 3427^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13556045 - 2⁴ = 13556029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13555999 and 13556017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13556047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11432 + ... + 12561.

It is an arithmetic number, because the mean of its divisors is an integer number (2051487).

Almost surely, 2^13556045 is an apocalyptic number.

It is an amenable number.

13556045 is a deficient number, since it is larger than the sum of its proper divisors (2855851).

13556045 is a wasteful number, since it uses less digits than its factorization.

13556045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24111.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 13556045 is about 3681.8534734560. The cubic root of 13556045 is about 238.4392061719.

The spelling of 13556045 in words is "thirteen million, five hundred fifty-six thousand, forty-five".