13121324 has 12 divisors (see below), whose sum is σ = 24171000. Its totient is φ = 6215328.

The previous prime is 13121309. The next prime is 13121327. The reversal of 13121324 is 42312131.

It is not an unprimeable number, because it can be changed into a prime (13121327) 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, 86249 + ... + 86400.

It is an arithmetic number, because the mean of its divisors is an integer number (2014250).

Almost surely, 2^13121324 is an apocalyptic number.

It is an amenable number.

13121324 is a deficient number, since it is larger than the sum of its proper divisors (11049676).

13121324 is a wasteful number, since it uses less digits than its factorization.

13121324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172672 (or 172670 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 13121324 is about 3622.3368148200. The cubic root of 13121324 is about 235.8626750636.

Adding to 13121324 its reverse (42312131), we get a palindrome (55433455).

The spelling of 13121324 in words is "thirteen million, one hundred twenty-one thousand, three hundred twenty-four".