13033442 has 8 divisors (see below), whose sum is σ = 19919196. Its totient is φ = 6393712.

The previous prime is 13033439. The next prime is 13033459. The reversal of 13033442 is 24433031.

It can be written as a sum of positive squares in 2 ways, for example, as 10962721 + 2070721 = 3311^2 + 1439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13033442² = 339741220734728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61373 + ... + 61584.

Almost surely, 2^13033442 is an apocalyptic number.

13033442 is a deficient number, since it is larger than the sum of its proper divisors (6885754).

13033442 is a wasteful number, since it uses less digits than its factorization.

13033442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123012.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13033442 is about 3610.1858677913. The cubic root of 13033442 is about 235.3349200637.

Adding to 13033442 its reverse (24433031), we get a palindrome (37466473).

The spelling of 13033442 in words is "thirteen million, thirty-three thousand, four hundred forty-two".