13421061 has 12 divisors (see below), whose sum is σ = 19565260. Its totient is φ = 8864640.

The previous prime is 13421039. The next prime is 13421071. The reversal of 13421061 is 16012431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 2232036 = 3345^2 + 1494^2 .

It is not a de Polignac number, because 13421061 - 2¹⁰ = 13420037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5860 + ... + 7821.

Almost surely, 2^13421061 is an apocalyptic number.

It is an amenable number.

13421061 is a deficient number, since it is larger than the sum of its proper divisors (6144199).

13421061 is a wasteful number, since it uses less digits than its factorization.

13421061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13796 (or 13793 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13421061 is about 3663.4766274674. The cubic root of 13421061 is about 237.6451471023.

Adding to 13421061 its reverse (16012431), we get a palindrome (29433492).

The spelling of 13421061 in words is "thirteen million, four hundred twenty-one thousand, sixty-one".