13542202 has 4 divisors (see below), whose sum is σ = 20313306. Its totient is φ = 6771100.

The previous prime is 13542161. The next prime is 13542209. The reversal of 13542202 is 20224531.

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., 8071281 + 5470921 = 2841^2 + 2339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13542202.

It is not an unprimeable number, because it can be changed into a prime (13542209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385549 + ... + 3385552.

Almost surely, 2^13542202 is an apocalyptic number.

13542202 is a deficient number, since it is larger than the sum of its proper divisors (6771104).

13542202 is an equidigital number, since it uses as much as digits as its factorization.

13542202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771103.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13542202 is about 3679.9730977278. The cubic root of 13542202 is about 238.3580163633.

Adding to 13542202 its reverse (20224531), we get a palindrome (33766733).

The spelling of 13542202 in words is "thirteen million, five hundred forty-two thousand, two hundred two".