13151042 has 4 divisors (see below), whose sum is σ = 19726566. Its totient is φ = 6575520.

The previous prime is 13151029. The next prime is 13151057. The reversal of 13151042 is 24015131.

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., 9186961 + 3964081 = 3031^2 + 1991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13151042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3287759 + ... + 3287762.

Almost surely, 2^13151042 is an apocalyptic number.

13151042 is a deficient number, since it is larger than the sum of its proper divisors (6575524).

13151042 is an equidigital number, since it uses as much as digits as its factorization.

13151042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575523.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13151042 is about 3626.4365429441. The cubic root of 13151042 is about 236.0406063423.

Adding to 13151042 its reverse (24015131), we get a palindrome (37166173).

The spelling of 13151042 in words is "thirteen million, one hundred fifty-one thousand, forty-two".