13124242 has 4 divisors (see below), whose sum is σ = 19686366. Its totient is φ = 6562120.

The previous prime is 13124227. The next prime is 13124263. The reversal of 13124242 is 24242131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 4835601 = 2879^2 + 2199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281059 + ... + 3281062.

Almost surely, 2^13124242 is an apocalyptic number.

13124242 is a deficient number, since it is larger than the sum of its proper divisors (6562124).

13124242 is an equidigital number, since it uses as much as digits as its factorization.

13124242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562123.

The product of its digits is 384, while the sum is 19.

The square root of 13124242 is about 3622.7395710981. The cubic root of 13124242 is about 235.8801579607.

Adding to 13124242 its reverse (24242131), we get a palindrome (37366373).

It can be divided in two parts, 13124 and 242, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 13124242 in words is "thirteen million, one hundred twenty-four thousand, two hundred forty-two".