13040497 has 2 divisors, whose sum is σ = 13040498. Its totient is φ = 13040496.

The previous prime is 13040483. The next prime is 13040527. The reversal of 13040497 is 79404031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9928801 + 3111696 = 3151^2 + 1764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13040497 is a prime.

It is not a weakly prime, because it can be changed into another prime (13040297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520248 + 6520249.

It is an arithmetic number, because the mean of its divisors is an integer number (6520249).

Almost surely, 2^13040497 is an apocalyptic number.

It is an amenable number.

13040497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13040497 is an equidigital number, since it uses as much as digits as its factorization.

13040497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13040497 is about 3611.1628321082. The cubic root of 13040497 is about 235.3773746555.

The spelling of 13040497 in words is "thirteen million, forty thousand, four hundred ninety-seven".