13752245 has 8 divisors (see below), whose sum is σ = 17772216. Its totient is φ = 10155456.

The previous prime is 13752227. The next prime is 13752259. The reversal of 13752245 is 54225731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 13586596 = 407^2 + 3686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13752245 - 2⁸ = 13751989 is a prime.

It is a Duffinian number.

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, 105722 + ... + 105851.

It is an arithmetic number, because the mean of its divisors is an integer number (2221527).

Almost surely, 2^13752245 is an apocalyptic number.

It is an amenable number.

13752245 is a deficient number, since it is larger than the sum of its proper divisors (4019971).

13752245 is a wasteful number, since it uses less digits than its factorization.

13752245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211591.

The product of its digits is 8400, while the sum is 29.

The square root of 13752245 is about 3708.4019469308. The cubic root of 13752245 is about 239.5840306134.

Adding to 13752245 its reverse (54225731), we get a palindrome (67977976).

The spelling of 13752245 in words is "thirteen million, seven hundred fifty-two thousand, two hundred forty-five".