13120042 has 8 divisors (see below), whose sum is σ = 21193956. Its totient is φ = 6055392.

The previous prime is 13119983. The next prime is 13120057. The reversal of 13120042 is 24002131.

It can be written as a sum of positive squares in 2 ways, for example, as 12880921 + 239121 = 3589^2 + 489^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 252283 + ... + 252334.

Almost surely, 2^13120042 is an apocalyptic number.

13120042 is a deficient number, since it is larger than the sum of its proper divisors (8073914).

13120042 is a wasteful number, since it uses less digits than its factorization.

13120042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504632.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13120042 is about 3622.1598529054. The cubic root of 13120042 is about 235.8549932728.

Adding to 13120042 its reverse (24002131), we get a palindrome (37122173).

The spelling of 13120042 in words is "thirteen million, one hundred twenty thousand, forty-two".