13670224 has 20 divisors (see below), whose sum is σ = 26626644. Its totient is φ = 6798848.

The previous prime is 13670221. The next prime is 13670297. The reversal of 13670224 is 42207631.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 7075600 = 2568^2 + 2660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13670221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984 + ... + 5320.

Almost surely, 2^13670224 is an apocalyptic number.

It is an amenable number.

13670224 is a deficient number, since it is larger than the sum of its proper divisors (12956420).

13670224 is a wasteful number, since it uses less digits than its factorization.

13670224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 13670224 is about 3697.3266017489. The cubic root of 13670224 is about 239.1067723181.

Adding to 13670224 its reverse (42207631), we get a palindrome (55877855).

The spelling of 13670224 in words is "thirteen million, six hundred seventy thousand, two hundred twenty-four".