13303481 has 2 divisors, whose sum is σ = 13303482. Its totient is φ = 13303480.

The previous prime is 13303471. The next prime is 13303487. The reversal of 13303481 is 18430331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12924025 + 379456 = 3595^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303481 - 2¹⁸ = 13041337 is a prime.

It is a super-2 number, since 2×13303481² = 353965213434722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13303487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651740 + 6651741.

It is an arithmetic number, because the mean of its divisors is an integer number (6651741).

Almost surely, 2^13303481 is an apocalyptic number.

It is an amenable number.

13303481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303481 is an equidigital number, since it uses as much as digits as its factorization.

13303481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13303481 is about 3647.3937270330. The cubic root of 13303481 is about 236.9491187869.

The spelling of 13303481 in words is "thirteen million, three hundred three thousand, four hundred eighty-one".