13740765 has 16 divisors (see below), whose sum is σ = 22161408. Its totient is φ = 7269696.

The previous prime is 13740763. The next prime is 13740787. The reversal of 13740765 is 56704731.

It is not a de Polignac number, because 13740765 - 2¹ = 13740763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (1385088).

Almost surely, 2^13740765 is an apocalyptic number.

13740765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13740765 is a deficient number, since it is larger than the sum of its proper divisors (8420643).

13740765 is a wasteful number, since it uses less digits than its factorization.

13740765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 13740765 is about 3706.8537872433. The cubic root of 13740765 is about 239.5173459775.

The spelling of 13740765 in words is "thirteen million, seven hundred forty thousand, seven hundred sixty-five".