13445244 has 24 divisors (see below), whose sum is σ = 34858320. Its totient is φ = 4481712.

The previous prime is 13445239. The next prime is 13445251. The reversal of 13445244 is 44254431.

It is a happy number.

13445244 is a `hidden beast` number, since 134 + 4 + 524 + 4 = 666.

13445244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62139 + ... + 62354.

It is an arithmetic number, because the mean of its divisors is an integer number (1452430).

Almost surely, 2^13445244 is an apocalyptic number.

It is an amenable number.

13445244 is an abundant number, since it is smaller than the sum of its proper divisors (21413076).

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

13445244 is a wasteful number, since it uses less digits than its factorization.

13445244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124506 (or 124498 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 13445244 is about 3666.7756953487. The cubic root of 13445244 is about 237.7877966360.

Adding to 13445244 its reverse (44254431), we get a palindrome (57699675).

It can be divided in two parts, 13445 and 244, that added together give a square (13689 = 117²).

The spelling of 13445244 in words is "thirteen million, four hundred forty-five thousand, two hundred forty-four".