13288497 has 4 divisors (see below), whose sum is σ = 17718000. Its totient is φ = 8858996.

The previous prime is 13288493. The next prime is 13288507. The reversal of 13288497 is 79488231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79488231 = 3 ⋅26496077.

It is a cyclic number.

It is not a de Polignac number, because 13288497 - 2² = 13288493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13288493) 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, 2214747 + ... + 2214752.

It is an arithmetic number, because the mean of its divisors is an integer number (4429500).

Almost surely, 2^13288497 is an apocalyptic number.

It is an amenable number.

13288497 is a deficient number, since it is larger than the sum of its proper divisors (4429503).

13288497 is an equidigital number, since it uses as much as digits as its factorization.

13288497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429502.

The product of its digits is 96768, while the sum is 42.

The square root of 13288497 is about 3645.3390788787. The cubic root of 13288497 is about 236.8601250513.

The spelling of 13288497 in words is "thirteen million, two hundred eighty-eight thousand, four hundred ninety-seven".