13711545 has 32 divisors (see below), whose sum is σ = 24906240. Its totient is φ = 7153920.

The previous prime is 13711543. The next prime is 13711547. The reversal of 13711545 is 54511731.

13711545 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13711543) and next prime (13711547).

It is not a de Polignac number, because 13711545 - 2¹ = 13711543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13711543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5265 + ... + 7425.

It is an arithmetic number, because the mean of its divisors is an integer number (778320).

Almost surely, 2^13711545 is an apocalyptic number.

13711545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13711545 is a deficient number, since it is larger than the sum of its proper divisors (11194695).

13711545 is a wasteful number, since it uses less digits than its factorization.

13711545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2216 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 13711545 is about 3702.9103418797. The cubic root of 13711545 is about 239.3474460805.

It can be divided in two parts, 1371 and 1545, that added together give a square (2916 = 54²).

The spelling of 13711545 in words is "thirteen million, seven hundred eleven thousand, five hundred forty-five".