11726131 has 2 divisors, whose sum is σ = 11726132. Its totient is φ = 11726130.

The previous prime is 11726119. The next prime is 11726137. The reversal of 11726131 is 13162711.

It is a strong prime.

It is an emirp because it is prime and its reverse (13162711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11726131 - 2¹⁹ = 11201843 is a prime.

It is a super-2 number, since 2×11726131² = 275004296458322, which contains 22 as substring.

It is a Chen prime.

It is equal to p₇₇₁₂₃₂ and since 11726131 and 771232 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11726137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863065 + 5863066.

It is an arithmetic number, because the mean of its divisors is an integer number (5863066).

Almost surely, 2^11726131 is an apocalyptic number.

11726131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726131 is an equidigital number, since it uses as much as digits as its factorization.

11726131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 22.

The square root of 11726131 is about 3424.3438787598. The cubic root of 11726131 is about 227.1877518008.

Adding to 11726131 its reverse (13162711), we get a palindrome (24888842).

The spelling of 11726131 in words is "eleven million, seven hundred twenty-six thousand, one hundred thirty-one".