13445055 has 64 divisors (see below), whose sum is σ = 26449920. Its totient is φ = 6438528.

The previous prime is 13445039. The next prime is 13445059. The reversal of 13445055 is 55054431.

It is not a de Polignac number, because 13445055 - 2⁴ = 13445039 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82404 + ... + 82566.

It is an arithmetic number, because the mean of its divisors is an integer number (413280).

Almost surely, 2^13445055 is an apocalyptic number.

13445055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13445055 is a deficient number, since it is larger than the sum of its proper divisors (13004865).

13445055 is a wasteful number, since it uses less digits than its factorization.

13445055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 13445055 is about 3666.7499232972. The cubic root of 13445055 is about 237.7866824352.

Adding to 13445055 its reverse (55054431), we get a palindrome (68499486).

The spelling of 13445055 in words is "thirteen million, four hundred forty-five thousand, fifty-five".