13137424 has 10 divisors (see below), whose sum is σ = 25453790. Its totient is φ = 6568704.

The previous prime is 13137419. The next prime is 13137437. The reversal of 13137424 is 42473131.

It can be written as a sum of positive squares in only one way, i.e., 7661824 + 5475600 = 2768^2 + 2340^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410529 + ... + 410560.

It is an arithmetic number, because the mean of its divisors is an integer number (2545379).

Almost surely, 2^13137424 is an apocalyptic number.

It is an amenable number.

13137424 is a deficient number, since it is larger than the sum of its proper divisors (12316366).

13137424 is an equidigital number, since it uses as much as digits as its factorization.

13137424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821097 (or 821091 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 13137424 is about 3624.5584558674. The cubic root of 13137424 is about 235.9591042802.

The spelling of 13137424 in words is "thirteen million, one hundred thirty-seven thousand, four hundred twenty-four".