13751868 has 36 divisors (see below), whose sum is σ = 34750968. Its totient is φ = 4230720.

The previous prime is 13751867. The next prime is 13751869. The reversal of 13751868 is 86815731.

It is an interprime number because it is at equal distance from previous prime (13751867) and next prime (13751869).

It is a super-2 number, since 2×13751868² = 378227746978848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13751863) 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 11 ways as a sum of consecutive naturals, for example, 1363 + ... + 5418.

Almost surely, 2^13751868 is an apocalyptic number.

It is an amenable number.

13751868 is an abundant number, since it is smaller than the sum of its proper divisors (20999100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13751868 is a wasteful number, since it uses less digits than its factorization.

13751868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814 (or 6799 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 13751868 is about 3708.3511160622. The cubic root of 13751868 is about 239.5818412980.

The spelling of 13751868 in words is "thirteen million, seven hundred fifty-one thousand, eight hundred sixty-eight".