26974513 has 8 divisors (see below), whose sum is σ = 27297000. Its totient is φ = 26654208.

The previous prime is 26974511. The next prime is 26974523. The reversal of 26974513 is 31547962.

26974513 = 3672² + 3673².

It can be written as a sum of positive squares in 4 ways, for example, as 831744 + 26142769 = 912^2 + 5113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26974513 - 2¹ = 26974511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26974511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39745 + ... + 40417.

It is an arithmetic number, because the mean of its divisors is an integer number (3412125).

Almost surely, 2^26974513 is an apocalyptic number.

26974513 is the 3673-rd centered square number.

It is an amenable number.

26974513 is a deficient number, since it is larger than the sum of its proper divisors (322487).

26974513 is a wasteful number, since it uses less digits than its factorization.

26974513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its digits is 45360, while the sum is 37.

The square root of 26974513 is about 5193.6993559504. The cubic root of 26974513 is about 299.9055739859.

The spelling of 26974513 in words is "twenty-six million, nine hundred seventy-four thousand, five hundred thirteen".