13261232 has 20 divisors (see below), whose sum is σ = 25753560. Its totient is φ = 6615168.

The previous prime is 13261231. The next prime is 13261277. The reversal of 13261232 is 23216231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13261231) 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 3 ways as a sum of consecutive naturals, for example, 9644 + ... + 10932.

It is an arithmetic number, because the mean of its divisors is an integer number (1287678).

Almost surely, 2^13261232 is an apocalyptic number.

It is an amenable number.

13261232 is a deficient number, since it is larger than the sum of its proper divisors (12492328).

13261232 is a wasteful number, since it uses less digits than its factorization.

13261232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1934 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 13261232 is about 3641.5974516687. The cubic root of 13261232 is about 236.6980196070.

Adding to 13261232 its reverse (23216231), we get a palindrome (36477463).

The spelling of 13261232 in words is "thirteen million, two hundred sixty-one thousand, two hundred thirty-two".