26912131 has 2 divisors, whose sum is σ = 26912132. Its totient is φ = 26912130.

The previous prime is 26912099. The next prime is 26912141. The reversal of 26912131 is 13121962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26912131 - 2⁵ = 26912099 is a prime.

It is a super-2 number, since 2×26912131² = 1448525589922322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26912096 and 26912105.

It is not a weakly prime, because it can be changed into another prime (26912141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13456065 + 13456066.

It is an arithmetic number, because the mean of its divisors is an integer number (13456066).

Almost surely, 2^26912131 is an apocalyptic number.

26912131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26912131 is an equidigital number, since it uses as much as digits as its factorization.

26912131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 26912131 is about 5187.6903338576. The cubic root of 26912131 is about 299.6742055807.

The spelling of 26912131 in words is "twenty-six million, nine hundred twelve thousand, one hundred thirty-one".