13798740 has 24 divisors (see below), whose sum is σ = 38636640. Its totient is φ = 3679648.

The previous prime is 13798739. The next prime is 13798753. The reversal of 13798740 is 4789731.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 114930 + ... + 115049.

It is an arithmetic number, because the mean of its divisors is an integer number (1609860).

Almost surely, 2^13798740 is an apocalyptic number.

13798740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13798740 is an abundant number, since it is smaller than the sum of its proper divisors (24837900).

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

13798740 is a wasteful number, since it uses less digits than its factorization.

13798740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229991 (or 229989 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 13798740 is about 3714.6655300309. The cubic root of 13798740 is about 239.8537303175.

Subtracting from 13798740 its reverse (4789731), we obtain a palindrome (9009009).

The spelling of 13798740 in words is "thirteen million, seven hundred ninety-eight thousand, seven hundred forty".