13757740 has 24 divisors (see below), whose sum is σ = 29438640. Its totient is φ = 5398848.

The previous prime is 13757717. The next prime is 13757773. The reversal of 13757740 is 4775731.

It is a junction number, because it is equal to n+sod(n) for n = 13757696 and 13757705.

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 in 7 ways as a sum of consecutive naturals, for example, 5430 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (1226610).

Almost surely, 2^13757740 is an apocalyptic number.

13757740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13757740 is an abundant number, since it is smaller than the sum of its proper divisors (15680900).

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

13757740 is a wasteful number, since it uses less digits than its factorization.

13757740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13041 (or 13039 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 13757740 is about 3709.1427581046. The cubic root of 13757740 is about 239.6159366510.

Subtracting from 13757740 its reverse (4775731), we obtain a square (8982009 = 2997²).

The spelling of 13757740 in words is "thirteen million, seven hundred fifty-seven thousand, seven hundred forty".