13720941 has 48 divisors (see below), whose sum is σ = 22955520. Its totient is φ = 8087040.

The previous prime is 13720933. The next prime is 13721033. The reversal of 13720941 is 14902731.

13720941 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

13720941 is a nontrivial binomial coefficient, being equal to C(5239, 2).

It is not a de Polignac number, because 13720941 - 2³ = 13720933 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13720901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141405 + ... + 141501.

It is an arithmetic number, because the mean of its divisors is an integer number (478240).

Almost surely, 2^13720941 is an apocalyptic number.

13720941 is the 5238-th triangular number.

It is an amenable number.

13720941 is a deficient number, since it is larger than the sum of its proper divisors (9234579).

13720941 is a wasteful number, since it uses less digits than its factorization.

13720941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 13720941 is about 3704.1788563729. The cubic root of 13720941 is about 239.4021054959.

The spelling of 13720941 in words is "thirteen million, seven hundred twenty thousand, nine hundred forty-one".