1308229 has 6 divisors (see below), whose sum is σ = 1416786. Its totient is φ = 1207440.

The previous prime is 1308221. The next prime is 1308247. The reversal of 1308229 is 9228031.

It can be written as a sum of positive squares in 3 ways, for example, as 31329 + 1276900 = 177^2 + 1130^2 .

It is not a de Polignac number, because 1308229 - 2³ = 1308221 is a prime.

It is a super-2 number, since 2×1308229² = 3422926232882, which contains 22 as substring.

It is a Duffinian number.

1308229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3702 + ... + 4039.

It is an arithmetic number, because the mean of its divisors is an integer number (236131).

2^1308229 is an apocalyptic number.

It is an amenable number.

1308229 is a deficient number, since it is larger than the sum of its proper divisors (108557).

1308229 is an equidigital number, since it uses as much as digits as its factorization.

1308229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767 (or 7754 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1308229 is about 1143.7783876259. The cubic root of 1308229 is about 109.3690880070.

The spelling of 1308229 in words is "one million, three hundred eight thousand, two hundred twenty-nine".