1336861 has 2 divisors, whose sum is σ = 1336862. Its totient is φ = 1336860.

The previous prime is 1336817. The next prime is 1336873. The reversal of 1336861 is 1686331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 93636 = 1115^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336861 - 2¹¹ = 1334813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1336801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668430 + 668431.

It is an arithmetic number, because the mean of its divisors is an integer number (668431).

2^1336861 is an apocalyptic number.

It is an amenable number.

1336861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336861 is an equidigital number, since it uses as much as digits as its factorization.

1336861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 1336861 is about 1156.2270538264. The cubic root of 1336861 is about 110.1612236391.

It can be divided in two parts, 1336 and 861, that added together give a cube (2197 = 13³).

The spelling of 1336861 in words is "one million, three hundred thirty-six thousand, eight hundred sixty-one".