13105545 has 16 divisors (see below), whose sum is σ = 21314112. Its totient is φ = 6874560.

The previous prime is 13105541. The next prime is 13105549. The reversal of 13105545 is 54550131.

It is an interprime number because it is at equal distance from previous prime (13105541) and next prime (13105549).

It is not a de Polignac number, because 13105545 - 2² = 13105541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13105541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6247 + ... + 8076.

It is an arithmetic number, because the mean of its divisors is an integer number (1332132).

Almost surely, 2^13105545 is an apocalyptic number.

13105545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13105545 is a deficient number, since it is larger than the sum of its proper divisors (8208567).

13105545 is a wasteful number, since it uses less digits than its factorization.

13105545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14392.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 13105545 is about 3620.1581457168. The cubic root of 13105545 is about 235.7680918753.

Adding to 13105545 its reverse (54550131), we get a palindrome (67655676).

The spelling of 13105545 in words is "thirteen million, one hundred five thousand, five hundred forty-five".