13026247 has 8 divisors (see below), whose sum is σ = 14137200. Its totient is φ = 11930880.

The previous prime is 13026239. The next prime is 13026253. The reversal of 13026247 is 74262031.

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

It is not a de Polignac number, because 13026247 - 2³ = 13026239 is a prime.

It is a super-2 number, since 2×13026247² = 339366221810018, which contains 22 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 (13026347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122 + ... + 5527.

It is an arithmetic number, because the mean of its divisors is an integer number (1767150).

Almost surely, 2^13026247 is an apocalyptic number.

13026247 is a deficient number, since it is larger than the sum of its proper divisors (1110953).

13026247 is a wasteful number, since it uses less digits than its factorization.

13026247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 13026247 is about 3609.1892441378. The cubic root of 13026247 is about 235.2916072171.

Adding to 13026247 its reverse (74262031), we get a palindrome (87288278).

The spelling of 13026247 in words is "thirteen million, twenty-six thousand, two hundred forty-seven".