13773481 has 8 divisors (see below), whose sum is σ = 14644800. Its totient is φ = 12924912.

The previous prime is 13773479. The next prime is 13773493. The reversal of 13773481 is 18437731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13773481 - 2¹ = 13773479 is a prime.

It is a super-2 number, since 2×13773481² = 379417557714722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13770481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4431 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (1830600).

Almost surely, 2^13773481 is an apocalyptic number.

It is an amenable number.

13773481 is a deficient number, since it is larger than the sum of its proper divisors (871319).

13773481 is a wasteful number, since it uses less digits than its factorization.

13773481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11375.

The product of its digits is 14112, while the sum is 34.

The square root of 13773481 is about 3711.2640703674. The cubic root of 13773481 is about 239.7072878193.

The spelling of 13773481 in words is "thirteen million, seven hundred seventy-three thousand, four hundred eighty-one".