13240497 has 8 divisors (see below), whose sum is σ = 17673760. Its totient is φ = 8817120.

The previous prime is 13240489. The next prime is 13240519. The reversal of 13240497 is 79404231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13240497 - 2³ = 13240489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (2209220).

Almost surely, 2^13240497 is an apocalyptic number.

It is an amenable number.

13240497 is a deficient number, since it is larger than the sum of its proper divisors (4433263).

13240497 is a wasteful number, since it uses less digits than its factorization.

13240497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13240497 is about 3638.7493730676. The cubic root of 13240497 is about 236.5745898069.

The spelling of 13240497 in words is "thirteen million, two hundred forty thousand, four hundred ninety-seven".