11406869 has 2 divisors, whose sum is σ = 11406870. Its totient is φ = 11406868.

The previous prime is 11406833. The next prime is 11406887. The reversal of 11406869 is 96860411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 1716100 = 3113^2 + 1310^2 .

It is an emirp because it is prime and its reverse (96860411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11406869 - 2⁸ = 11406613 is a prime.

It is a super-2 number, since 2×11406869² = 260233320766322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11406809) 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, 5703434 + 5703435.

It is an arithmetic number, because the mean of its divisors is an integer number (5703435).

Almost surely, 2^11406869 is an apocalyptic number.

It is an amenable number.

11406869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11406869 is an equidigital number, since it uses as much as digits as its factorization.

11406869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 11406869 is about 3377.4056611547. The cubic root of 11406869 is about 225.1069055759.

The spelling of 11406869 in words is "eleven million, four hundred six thousand, eight hundred sixty-nine".