13040597 has 4 divisors (see below), whose sum is σ = 13286700. Its totient is φ = 12794496.

The previous prime is 13040561. The next prime is 13040603. The reversal of 13040597 is 79504031.

13040597 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11566801 + 1473796 = 3401^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 13040597 - 2⁸ = 13040341 is a prime.

It is a super-4 number, since 4×13040597⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122972 + ... + 123077.

It is an arithmetic number, because the mean of its divisors is an integer number (3321675).

Almost surely, 2^13040597 is an apocalyptic number.

It is an amenable number.

13040597 is a deficient number, since it is larger than the sum of its proper divisors (246103).

13040597 is an equidigital number, since it uses as much as digits as its factorization.

13040597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246102.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13040597 is about 3611.1766780372. The cubic root of 13040597 is about 235.3779763115.

The spelling of 13040597 in words is "thirteen million, forty thousand, five hundred ninety-seven".