13130247 has 16 divisors (see below), whose sum is σ = 18960480. Its totient is φ = 8034432.

The previous prime is 13130233. The next prime is 13130251. The reversal of 13130247 is 74203131.

It is not a de Polignac number, because 13130247 - 2⁴ = 13130231 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6829 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (1185030).

Almost surely, 2^13130247 is an apocalyptic number.

13130247 is a deficient number, since it is larger than the sum of its proper divisors (5830233).

13130247 is a wasteful number, since it uses less digits than its factorization.

13130247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13130247 is about 3623.5682689857. The cubic root of 13130247 is about 235.9161281491.

Adding to 13130247 its reverse (74203131), we get a palindrome (87333378).

The spelling of 13130247 in words is "thirteen million, one hundred thirty thousand, two hundred forty-seven".