13765340 has 24 divisors (see below), whose sum is σ = 29614032. Its totient is φ = 5371520.

The previous prime is 13765337. The next prime is 13765361. The reversal of 13765340 is 4356731.

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, 7574 + ... + 9213.

It is an arithmetic number, because the mean of its divisors is an integer number (1233918).

Almost surely, 2^13765340 is an apocalyptic number.

13765340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13765340 is an abundant number, since it is smaller than the sum of its proper divisors (15848692).

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

13765340 is a wasteful number, since it uses less digits than its factorization.

13765340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16837 (or 16835 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 13765340 is about 3710.1671121393. The cubic root of 13765340 is about 239.6600511129.

The spelling of 13765340 in words is "thirteen million, seven hundred sixty-five thousand, three hundred forty".