13760381 has 4 divisors (see below), whose sum is σ = 13820700. Its totient is φ = 13700064.

The previous prime is 13760359. The next prime is 13760399. The reversal of 13760381 is 18306731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13388281 + 372100 = 3659^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 13760381 - 2⁶ = 13760317 is a prime.

It is a super-2 number, since 2×13760381² = 378696170530322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13760081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29816 + ... + 30273.

It is an arithmetic number, because the mean of its divisors is an integer number (3455175).

Almost surely, 2^13760381 is an apocalyptic number.

It is an amenable number.

13760381 is a deficient number, since it is larger than the sum of its proper divisors (60319).

13760381 is an equidigital number, since it uses as much as digits as its factorization.

13760381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60318.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13760381 is about 3709.4987532010. The cubic root of 13760381 is about 239.6312682680.

It can be divided in two parts, 13760 and 381, that added together give a palindrome (14141).

The spelling of 13760381 in words is "thirteen million, seven hundred sixty thousand, three hundred eighty-one".