13441021 has 8 divisors (see below), whose sum is σ = 14691744. Its totient is φ = 12195120.

The previous prime is 13441009. The next prime is 13441031. The reversal of 13441021 is 12014431.

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 13441021 - 2⁷ = 13440893 is a prime.

It is a super-2 number, since 2×13441021² = 361322091044882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13440986 and 13441004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13441031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7230 + ... + 8896.

It is an arithmetic number, because the mean of its divisors is an integer number (1836468).

Almost surely, 2^13441021 is an apocalyptic number.

13441021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13441021 is a deficient number, since it is larger than the sum of its proper divisors (1250723).

13441021 is a wasteful number, since it uses less digits than its factorization.

13441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13441021 is about 3666.1998036114. The cubic root of 13441021 is about 237.7628985378.

Adding to 13441021 its reverse (12014431), we get a palindrome (25455452).

It can be divided in two parts, 134410 and 21, that added together give a palindrome (134431).

The spelling of 13441021 in words is "thirteen million, four hundred forty-one thousand, twenty-one".