26947013 has 2 divisors, whose sum is σ = 26947014. Its totient is φ = 26947012.

The previous prime is 26946991. The next prime is 26947031. The reversal of 26947013 is 31074962.

Together with next prime (26947031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19201924 + 7745089 = 4382^2 + 2783^2 .

It is a cyclic number.

It is not a de Polignac number, because 26947013 - 2¹² = 26942917 is a prime.

It is a super-2 number, since 2×26947013² = 1452283019244338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26947033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473506 + 13473507.

It is an arithmetic number, because the mean of its divisors is an integer number (13473507).

Almost surely, 2^26947013 is an apocalyptic number.

It is an amenable number.

26947013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26947013 is an equidigital number, since it uses as much as digits as its factorization.

26947013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 26947013 is about 5191.0512422822. The cubic root of 26947013 is about 299.8036233339.

The spelling of 26947013 in words is "twenty-six million, nine hundred forty-seven thousand, thirteen".