13913197 has 2 divisors, whose sum is σ = 13913198. Its totient is φ = 13913196.

The previous prime is 13913161. The next prime is 13913213. The reversal of 13913197 is 79131931.

13913197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 1565001 = 3514^2 + 1251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13913197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13913297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6956598 + 6956599.

It is an arithmetic number, because the mean of its divisors is an integer number (6956599).

Almost surely, 2^13913197 is an apocalyptic number.

It is an amenable number.

13913197 is a deficient number, since it is larger than the sum of its proper divisors (1).

13913197 is an equidigital number, since it uses as much as digits as its factorization.

13913197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103, while the sum is 34.

The square root of 13913197 is about 3730.0398121200. The cubic root of 13913197 is about 240.5150801038.

The spelling of 13913197 in words is "thirteen million, nine hundred thirteen thousand, one hundred ninety-seven".