13371161 has 2 divisors, whose sum is σ = 13371162. Its totient is φ = 13371160.

The previous prime is 13371157. The next prime is 13371173. The reversal of 13371161 is 16117331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12823561 + 547600 = 3581^2 + 740^2 .

It is an emirp because it is prime and its reverse (16117331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13371161 - 2² = 13371157 is a prime.

It is not a weakly prime, because it can be changed into another prime (13371101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6685580 + 6685581.

It is an arithmetic number, because the mean of its divisors is an integer number (6685581).

Almost surely, 2^13371161 is an apocalyptic number.

It is an amenable number.

13371161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13371161 is an equidigital number, since it uses as much as digits as its factorization.

13371161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 23.

The square root of 13371161 is about 3656.6598146396. The cubic root of 13371161 is about 237.3502568537.

Adding to 13371161 its reverse (16117331), we get a palindrome (29488492).

The spelling of 13371161 in words is "thirteen million, three hundred seventy-one thousand, one hundred sixty-one".