11861413 has 2 divisors, whose sum is σ = 11861414. Its totient is φ = 11861412.

The previous prime is 11861411. The next prime is 11861429. The reversal of 11861413 is 31416811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8538084 + 3323329 = 2922^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 11861413 - 2¹ = 11861411 is a prime.

Together with 11861411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11861411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930706 + 5930707.

It is an arithmetic number, because the mean of its divisors is an integer number (5930707).

Almost surely, 2^11861413 is an apocalyptic number.

It is an amenable number.

11861413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11861413 is an equidigital number, since it uses as much as digits as its factorization.

11861413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

The square root of 11861413 is about 3444.0402146316. The cubic root of 11861413 is about 228.0580864110.

The spelling of 11861413 in words is "eleven million, eight hundred sixty-one thousand, four hundred thirteen".