13252761 has 16 divisors (see below), whose sum is σ = 20488320. Its totient is φ = 8450640.

The previous prime is 13252751. The next prime is 13252763. The reversal of 13252761 is 16725231.

It is a happy number.

13252761 is a `hidden beast` number, since 132 + 527 + 6 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13252761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13252763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10050 + ... + 11291.

It is an arithmetic number, because the mean of its divisors is an integer number (1280520).

Almost surely, 2^13252761 is an apocalyptic number.

It is an amenable number.

13252761 is a deficient number, since it is larger than the sum of its proper divisors (7235559).

13252761 is a wasteful number, since it uses less digits than its factorization.

13252761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21373 (or 21367 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 13252761 is about 3640.4341774025. The cubic root of 13252761 is about 236.6476096097.

Adding to 13252761 its reverse (16725231), we get a palindrome (29977992).

The spelling of 13252761 in words is "thirteen million, two hundred fifty-two thousand, seven hundred sixty-one".