13438202 has 4 divisors (see below), whose sum is σ = 20157306. Its totient is φ = 6719100.

The previous prime is 13438189. The next prime is 13438207. The reversal of 13438202 is 20283431.

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., 8637721 + 4800481 = 2939^2 + 2191^2 .

It is not an unprimeable number, because it can be changed into a prime (13438207) 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, 3359549 + ... + 3359552.

Almost surely, 2^13438202 is an apocalyptic number.

13438202 is a deficient number, since it is larger than the sum of its proper divisors (6719104).

13438202 is an equidigital number, since it uses as much as digits as its factorization.

13438202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719103.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13438202 is about 3665.8153254085. The cubic root of 13438202 is about 237.7462752848.

The spelling of 13438202 in words is "thirteen million, four hundred thirty-eight thousand, two hundred two".