13917541 has 6 divisors (see below), whose sum is σ = 15297926. Its totient is φ = 12652200.

The previous prime is 13917539. The next prime is 13917551. The reversal of 13917541 is 14571931.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 12100 = 3729^2 + 110^2 .

It is not a de Polignac number, because 13917541 - 2¹ = 13917539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13917511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57390 + ... + 57631.

Almost surely, 2^13917541 is an apocalyptic number.

13917541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13917541 is a deficient number, since it is larger than the sum of its proper divisors (1380385).

13917541 is a wasteful number, since it uses less digits than its factorization.

13917541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115043 (or 115032 counting only the distinct ones).

The product of its digits is 3780, while the sum is 31.

The square root of 13917541 is about 3730.6220660903. The cubic root of 13917541 is about 240.5401088299.

The spelling of 13917541 in words is "thirteen million, nine hundred seventeen thousand, five hundred forty-one".