13052247 has 16 divisors (see below), whose sum is σ = 19557888. Its totient is φ = 7682400.

The previous prime is 13052191. The next prime is 13052261. The reversal of 13052247 is 74225031.

It is not a de Polignac number, because 13052247 - 2⁷ = 13052119 is a prime.

It is a super-2 number, since 2×13052247² = 340722303498018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052267) 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 15 ways as a sum of consecutive naturals, for example, 6379 + ... + 8172.

It is an arithmetic number, because the mean of its divisors is an integer number (1222368).

Almost surely, 2^13052247 is an apocalyptic number.

13052247 is a deficient number, since it is larger than the sum of its proper divisors (6505641).

13052247 is a wasteful number, since it uses less digits than its factorization.

13052247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14590.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13052247 is about 3612.7893655734. The cubic root of 13052247 is about 235.4480481865.

Adding to 13052247 its reverse (74225031), we get a palindrome (87277278).

The spelling of 13052247 in words is "thirteen million, fifty-two thousand, two hundred forty-seven".