13772741 has 4 divisors (see below), whose sum is σ = 13781292. Its totient is φ = 13764192.

The previous prime is 13772729. The next prime is 13772749. The reversal of 13772741 is 14727731.

13772741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 13322500 = 671^2 + 3650^2 .

It is a cyclic number.

It is not a de Polignac number, because 13772741 - 2⁶ = 13772677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13772698 and 13772707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13772749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046 + ... + 5351.

It is an arithmetic number, because the mean of its divisors is an integer number (3445323).

Almost surely, 2^13772741 is an apocalyptic number.

It is an amenable number.

13772741 is a deficient number, since it is larger than the sum of its proper divisors (8551).

13772741 is an equidigital number, since it uses as much as digits as its factorization.

13772741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550.

The product of its digits is 8232, while the sum is 32.

The square root of 13772741 is about 3711.1643725386. The cubic root of 13772741 is about 239.7029948699.

The spelling of 13772741 in words is "thirteen million, seven hundred seventy-two thousand, seven hundred forty-one".