13390361 has 2 divisors, whose sum is σ = 13390362. Its totient is φ = 13390360.

The previous prime is 13390331. The next prime is 13390367. The reversal of 13390361 is 16309331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 24025 = 3656^2 + 155^2 .

It is an emirp because it is prime and its reverse (16309331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13390361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13390361.

It is not a weakly prime, because it can be changed into another prime (13390367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6695180 + 6695181.

It is an arithmetic number, because the mean of its divisors is an integer number (6695181).

Almost surely, 2^13390361 is an apocalyptic number.

It is an amenable number.

13390361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13390361 is an equidigital number, since it uses as much as digits as its factorization.

13390361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 13390361 is about 3659.2842196255. The cubic root of 13390361 is about 237.4638083356.

Adding to 13390361 its reverse (16309331), we get a palindrome (29699692).

The spelling of 13390361 in words is "thirteen million, three hundred ninety thousand, three hundred sixty-one".