13650481 has 8 divisors (see below), whose sum is σ = 14764904. Its totient is φ = 12545280.

The previous prime is 13650467. The next prime is 13650491. The reversal of 13650481 is 18405631.

It can be written as a sum of positive squares in 4 ways, for example, as 5760000 + 7890481 = 2400^2 + 2809^2 .

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 13650481 - 2⁵ = 13650449 is a prime.

It is a super-2 number, since 2×13650481² = 372671263062722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13650421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (1845613).

Almost surely, 2^13650481 is an apocalyptic number.

It is an amenable number.

13650481 is a deficient number, since it is larger than the sum of its proper divisors (1114423).

13650481 is a wasteful number, since it uses less digits than its factorization.

13650481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 13650481 is about 3694.6557349772. The cubic root of 13650481 is about 238.9916081622.

The spelling of 13650481 in words is "thirteen million, six hundred fifty thousand, four hundred eighty-one".