13799740 has 12 divisors (see below), whose sum is σ = 28979496. Its totient is φ = 5519888.

The previous prime is 13799713. The next prime is 13799741. The reversal of 13799740 is 4799731.

It is a junction number, because it is equal to n+sod(n) for n = 13799693 and 13799702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344974 + ... + 345013.

It is an arithmetic number, because the mean of its divisors is an integer number (2414958).

Almost surely, 2^13799740 is an apocalyptic number.

13799740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13799740 is an abundant number, since it is smaller than the sum of its proper divisors (15179756).

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

13799740 is a wasteful number, since it uses less digits than its factorization.

13799740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689996 (or 689994 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 13799740 is about 3714.8001292129. The cubic root of 13799740 is about 239.8595242749.

Subtracting from 13799740 its reverse (4799731), we obtain a palindrome (9000009).

The spelling of 13799740 in words is "thirteen million, seven hundred ninety-nine thousand, seven hundred forty".