1339261 has 8 divisors (see below), whose sum is σ = 1669824. Its totient is φ = 1043520.

The previous prime is 1339259. The next prime is 1339297. The reversal of 1339261 is 1629331.

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 1339261 - 2¹ = 1339259 is a prime.

It is a super-2 number, since 2×1339261² = 3587240052242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339211) 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, 8620 + ... + 8773.

It is an arithmetic number, because the mean of its divisors is an integer number (208728).

2^1339261 is an apocalyptic number.

1339261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1339261 is a deficient number, since it is larger than the sum of its proper divisors (330563).

1339261 is a wasteful number, since it uses less digits than its factorization.

1339261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17411.

The product of its digits is 972, while the sum is 25.

The square root of 1339261 is about 1157.2644468746. The cubic root of 1339261 is about 110.2271065496.

It can be divided in two parts, 1339 and 261, that added together give a square (1600 = 40²).

The spelling of 1339261 in words is "one million, three hundred thirty-nine thousand, two hundred sixty-one".