13840597 has 2 divisors, whose sum is σ = 13840598. Its totient is φ = 13840596.

The previous prime is 13840591. The next prime is 13840613. The reversal of 13840597 is 79504831.

13840597 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 5597956 = 2871^2 + 2366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13840597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13840591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6920298 + 6920299.

It is an arithmetic number, because the mean of its divisors is an integer number (6920299).

Almost surely, 2^13840597 is an apocalyptic number.

It is an amenable number.

13840597 is a deficient number, since it is larger than the sum of its proper divisors (1).

13840597 is an equidigital number, since it uses as much as digits as its factorization.

13840597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13840597 is about 3720.2952839795. The cubic root of 13840597 is about 240.0960090413.

The spelling of 13840597 in words is "thirteen million, eight hundred forty thousand, five hundred ninety-seven".