1339245 has 12 divisors (see below), whose sum is σ = 2321436. Its totient is φ = 714240.

The previous prime is 1339229. The next prime is 1339259. The reversal of 1339245 is 5429331.

It can be written as a sum of positive squares in 2 ways, for example, as 335241 + 1004004 = 579^2 + 1002^2 .

It is not a de Polignac number, because 1339245 - 2⁴ = 1339229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14836 + ... + 14925.

It is an arithmetic number, because the mean of its divisors is an integer number (193453).

2^1339245 is an apocalyptic number.

1339245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1339245 is a deficient number, since it is larger than the sum of its proper divisors (982191).

1339245 is a wasteful number, since it uses less digits than its factorization.

1339245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29772 (or 29769 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1339245 is about 1157.2575340001. The cubic root of 1339245 is about 110.2266675909.

The spelling of 1339245 in words is "one million, three hundred thirty-nine thousand, two hundred forty-five".