13445208 has 144 divisors (see below), whose sum is σ = 43926480. Its totient is φ = 3701376.

The previous prime is 13445207. The next prime is 13445219. The reversal of 13445208 is 80254431.

13445208 is a `hidden beast` number, since 13 + 445 + 208 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 130485 + ... + 130587.

It is an arithmetic number, because the mean of its divisors is an integer number (305045).

Almost surely, 2^13445208 is an apocalyptic number.

13445208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13445208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21963240).

13445208 is an abundant number, since it is smaller than the sum of its proper divisors (30481272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13445208 is a wasteful number, since it uses less digits than its factorization.

13445208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 13445208 is about 3666.7707864005. The cubic root of 13445208 is about 237.7875844081.

Adding to 13445208 its reverse (80254431), we get a palindrome (93699639).

The spelling of 13445208 in words is "thirteen million, four hundred forty-five thousand, two hundred eight".