13968238 has 8 divisors (see below), whose sum is σ = 20970432. Its totient is φ = 6978096.

The previous prime is 13968223. The next prime is 13968239. The reversal of 13968238 is 83286931.

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

It is a super-2 number, since 2×13968238² = 390223345649288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13968238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13968239) 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 in 3 ways as a sum of consecutive naturals, for example, 906 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (2621304).

Almost surely, 2^13968238 is an apocalyptic number.

13968238 is a deficient number, since it is larger than the sum of its proper divisors (7002194).

13968238 is a wasteful number, since it uses less digits than its factorization.

13968238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026.

The product of its digits is 62208, while the sum is 40.

The square root of 13968238 is about 3737.4106009375. The cubic root of 13968238 is about 240.8318242689.

The spelling of 13968238 in words is "thirteen million, nine hundred sixty-eight thousand, two hundred thirty-eight".