11874389 has 2 divisors, whose sum is σ = 11874390. Its totient is φ = 11874388.

The previous prime is 11874383. The next prime is 11874403. The reversal of 11874389 is 98347811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 2002225 = 3142^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 11874389 - 2¹² = 11870293 is a prime.

It is a super-2 number, since 2×11874389² = 282002228246642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11874383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937194 + 5937195.

It is an arithmetic number, because the mean of its divisors is an integer number (5937195).

Almost surely, 2^11874389 is an apocalyptic number.

It is an amenable number.

11874389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11874389 is an equidigital number, since it uses as much as digits as its factorization.

11874389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 11874389 is about 3445.9235336844. The cubic root of 11874389 is about 228.1412188131.

The spelling of 11874389 in words is "eleven million, eight hundred seventy-four thousand, three hundred eighty-nine".