13922481 has 16 divisors (see below), whose sum is σ = 19079424. Its totient is φ = 9026304.

The previous prime is 13922479. The next prime is 13922483. The reversal of 13922481 is 18422931.

It is an interprime number because it is at equal distance from previous prime (13922479) and next prime (13922483).

It is not a de Polignac number, because 13922481 - 2¹ = 13922479 is a prime.

It is a super-2 number, since 2×13922481² = 387670954390722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13922483) 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 15 ways as a sum of consecutive naturals, for example, 41145 + ... + 41481.

It is an arithmetic number, because the mean of its divisors is an integer number (1192464).

Almost surely, 2^13922481 is an apocalyptic number.

It is an amenable number.

13922481 is a deficient number, since it is larger than the sum of its proper divisors (5156943).

13922481 is a wasteful number, since it uses less digits than its factorization.

13922481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 3456, while the sum is 30.

The square root of 13922481 is about 3731.2840953216. The cubic root of 13922481 is about 240.5685651876.

The spelling of 13922481 in words is "thirteen million, nine hundred twenty-two thousand, four hundred eighty-one".