13190642 has 8 divisors (see below), whose sum is σ = 19990236. Its totient is φ = 6527232.

The previous prime is 13190641. The next prime is 13190647. The reversal of 13190642 is 24609131.

13190642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13039321 + 151321 = 3611^2 + 389^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13190641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33803 + ... + 34190.

Almost surely, 2^13190642 is an apocalyptic number.

13190642 is a deficient number, since it is larger than the sum of its proper divisors (6799594).

13190642 is an equidigital number, since it uses as much as digits as its factorization.

13190642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68092.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13190642 is about 3631.8923442195. The cubic root of 13190642 is about 236.2772882638.

Adding to 13190642 its reverse (24609131), we get a palindrome (37799773).

The spelling of 13190642 in words is "thirteen million, one hundred ninety thousand, six hundred forty-two".