26012137 has 2 divisors, whose sum is σ = 26012138. Its totient is φ = 26012136.

The previous prime is 26012113. The next prime is 26012141. The reversal of 26012137 is 73121062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 3154176 = 4781^2 + 1776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26012137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26012167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13006068 + 13006069.

It is an arithmetic number, because the mean of its divisors is an integer number (13006069).

Almost surely, 2^26012137 is an apocalyptic number.

It is an amenable number.

26012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

26012137 is an equidigital number, since it uses as much as digits as its factorization.

26012137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 26012137 is about 5100.2095055007. The cubic root of 26012137 is about 296.2956968682.

Adding to 26012137 its reverse (73121062), we get a palindrome (99133199).

The spelling of 26012137 in words is "twenty-six million, twelve thousand, one hundred thirty-seven".