13190242 has 8 divisors (see below), whose sum is σ = 21307356. Its totient is φ = 6087792.

The previous prime is 13190231. The next prime is 13190257. The reversal of 13190242 is 24209131.

It can be written as a sum of positive squares in 2 ways, for example, as 11771761 + 1418481 = 3431^2 + 1191^2 .

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

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, 253633 + ... + 253684.

Almost surely, 2^13190242 is an apocalyptic number.

13190242 is a deficient number, since it is larger than the sum of its proper divisors (8117114).

13190242 is a wasteful number, since it uses less digits than its factorization.

13190242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507332.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13190242 is about 3631.8372760904. The cubic root of 13190242 is about 236.2748999072.

Adding to 13190242 its reverse (24209131), we get a palindrome (37399373).

The spelling of 13190242 in words is "thirteen million, one hundred ninety thousand, two hundred forty-two".