13152442 has 4 divisors (see below), whose sum is σ = 19728666. Its totient is φ = 6576220.

The previous prime is 13152421. The next prime is 13152493. The reversal of 13152442 is 24425131.

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., 12047841 + 1104601 = 3471^2 + 1051^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288109 + ... + 3288112.

Almost surely, 2^13152442 is an apocalyptic number.

13152442 is a deficient number, since it is larger than the sum of its proper divisors (6576224).

13152442 is an equidigital number, since it uses as much as digits as its factorization.

13152442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576223.

The product of its digits is 960, while the sum is 22.

The square root of 13152442 is about 3626.6295647612. The cubic root of 13152442 is about 236.0489819809.

Adding to 13152442 its reverse (24425131), we get a palindrome (37577573).

The spelling of 13152442 in words is "thirteen million, one hundred fifty-two thousand, four hundred forty-two".