13798445 has 4 divisors (see below), whose sum is σ = 16558140. Its totient is φ = 11038752.

The previous prime is 13798429. The next prime is 13798451. The reversal of 13798445 is 54489731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5885476 + 7912969 = 2426^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 13798445 - 2⁴ = 13798429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379840 + ... + 1379849.

It is an arithmetic number, because the mean of its divisors is an integer number (4139535).

Almost surely, 2^13798445 is an apocalyptic number.

It is an amenable number.

13798445 is a deficient number, since it is larger than the sum of its proper divisors (2759695).

13798445 is an equidigital number, since it uses as much as digits as its factorization.

13798445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759694.

The product of its digits is 120960, while the sum is 41.

The square root of 13798445 is about 3714.6258223407. The cubic root of 13798445 is about 239.8520210466.

The spelling of 13798445 in words is "thirteen million, seven hundred ninety-eight thousand, four hundred forty-five".