13003424 has 36 divisors (see below), whose sum is σ = 29783754. Its totient is φ = 5572224.

The previous prime is 13003399. The next prime is 13003433. The reversal of 13003424 is 42430031.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 753424 = 3500^2 + 868^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2579 + ... + 5714.

Almost surely, 2^13003424 is an apocalyptic number.

13003424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13003424 is an abundant number, since it is smaller than the sum of its proper divisors (16780330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13003424 is an equidigital number, since it uses as much as digits as its factorization.

13003424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317 (or 8302 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13003424 is about 3606.0260675708. The cubic root of 13003424 is about 235.1541104727.

Adding to 13003424 its reverse (42430031), we get a palindrome (55433455).

The spelling of 13003424 in words is "thirteen million, three thousand, four hundred twenty-four".