11406589 has 2 divisors, whose sum is σ = 11406590. Its totient is φ = 11406588.

The previous prime is 11406581. The next prime is 11406613. The reversal of 11406589 is 98560411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9672100 + 1734489 = 3110^2 + 1317^2 .

It is a cyclic number.

It is not a de Polignac number, because 11406589 - 2³ = 11406581 is a prime.

It is a super-2 number, since 2×11406589² = 260220545229842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11406581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5703294 + 5703295.

It is an arithmetic number, because the mean of its divisors is an integer number (5703295).

Almost surely, 2^11406589 is an apocalyptic number.

It is an amenable number.

11406589 is a deficient number, since it is larger than the sum of its proper divisors (1).

11406589 is an equidigital number, since it uses as much as digits as its factorization.

11406589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 11406589 is about 3377.3642089653. The cubic root of 11406589 is about 225.1050636901.

The spelling of 11406589 in words is "eleven million, four hundred six thousand, five hundred eighty-nine".