13292281 has 2 divisors, whose sum is σ = 13292282. Its totient is φ = 13292280.

The previous prime is 13292269. The next prime is 13292329. The reversal of 13292281 is 18229231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 5953600 = 2709^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 13292281 - 2¹⁵ = 13259513 is a prime.

It is a super-2 number, since 2×13292281² = 353369468365922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13292581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6646140 + 6646141.

It is an arithmetic number, because the mean of its divisors is an integer number (6646141).

Almost surely, 2^13292281 is an apocalyptic number.

It is an amenable number.

13292281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13292281 is an equidigital number, since it uses as much as digits as its factorization.

13292281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 13292281 is about 3645.8580608685. The cubic root of 13292281 is about 236.8826054882.

The spelling of 13292281 in words is "thirteen million, two hundred ninety-two thousand, two hundred eighty-one".