13848621 has 16 divisors (see below), whose sum is σ = 18984960. Its totient is φ = 8976240.

The previous prime is 13848617. The next prime is 13848641. The reversal of 13848621 is 12684831.

It is not a de Polignac number, because 13848621 - 2² = 13848617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13848641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16416 + ... + 17238.

It is an arithmetic number, because the mean of its divisors is an integer number (1186560).

Almost surely, 2^13848621 is an apocalyptic number.

It is an amenable number.

13848621 is a deficient number, since it is larger than the sum of its proper divisors (5136339).

13848621 is an equidigital number, since it uses as much as digits as its factorization.

13848621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its digits is 9216, while the sum is 33.

The square root of 13848621 is about 3721.3735367469. The cubic root of 13848621 is about 240.1423981337.

The spelling of 13848621 in words is "thirteen million, eight hundred forty-eight thousand, six hundred twenty-one".