13697377 has 2 divisors, whose sum is σ = 13697378. Its totient is φ = 13697376.

The previous prime is 13697357. The next prime is 13697389. The reversal of 13697377 is 77379631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13133376 + 564001 = 3624^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 13697377 - 2¹¹ = 13695329 is a prime.

It is not a weakly prime, because it can be changed into another prime (13697357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6848688 + 6848689.

It is an arithmetic number, because the mean of its divisors is an integer number (6848689).

Almost surely, 2^13697377 is an apocalyptic number.

It is an amenable number.

13697377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13697377 is an equidigital number, since it uses as much as digits as its factorization.

13697377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 166698, while the sum is 43.

The square root of 13697377 is about 3700.9967576317. The cubic root of 13697377 is about 239.2649792426.

The spelling of 13697377 in words is "thirteen million, six hundred ninety-seven thousand, three hundred seventy-seven".