13707238 has 4 divisors (see below), whose sum is σ = 20560860. Its totient is φ = 6853618.

The previous prime is 13707229. The next prime is 13707251. The reversal of 13707238 is 83270731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 3426808 + ... + 3426811.

It is an arithmetic number, because the mean of its divisors is an integer number (5140215).

Almost surely, 2^13707238 is an apocalyptic number.

13707238 is a deficient number, since it is larger than the sum of its proper divisors (6853622).

13707238 is an equidigital number, since it uses as much as digits as its factorization.

13707238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853621.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 13707238 is about 3702.3287266260. The cubic root of 13707238 is about 239.3223825931.

Adding to 13707238 its reverse (83270731), we get a palindrome (96977969).

It can be divided in two parts, 1370723 and 8, that added together give a palindrome (1370731).

The spelling of 13707238 in words is "thirteen million, seven hundred seven thousand, two hundred thirty-eight".