13250042 has 16 divisors (see below), whose sum is σ = 22143240. Its totient is φ = 5904192.

The previous prime is 13250009. The next prime is 13250101. The reversal of 13250042 is 24005231.

It can be written as a sum of positive squares in 4 ways, for example, as 10491121 + 2758921 = 3239^2 + 1661^2 .

It is a super-2 number, since 2×13250042² = 351127226003528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13250042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8033 + ... + 9540.

Almost surely, 2^13250042 is an apocalyptic number.

13250042 is a deficient number, since it is larger than the sum of its proper divisors (8893198).

13250042 is a wasteful number, since it uses less digits than its factorization.

13250042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13250042 is about 3640.0607137794. The cubic root of 13250042 is about 236.6314245833.

Adding to 13250042 its reverse (24005231), we get a palindrome (37255273).

The spelling of 13250042 in words is "thirteen million, two hundred fifty thousand, forty-two".