26678513 has 8 divisors (see below), whose sum is σ = 27044160. Its totient is φ = 26315280.

The previous prime is 26678501. The next prime is 26678567. The reversal of 26678513 is 31587662.

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 26678513 - 2⁴ = 26678497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26678573) 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, 33506 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (3380520).

Almost surely, 2^26678513 is an apocalyptic number.

It is an amenable number.

26678513 is a deficient number, since it is larger than the sum of its proper divisors (365647).

26678513 is a wasteful number, since it uses less digits than its factorization.

26678513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its digits is 60480, while the sum is 38.

The square root of 26678513 is about 5165.1246838774. The cubic root of 26678513 is about 298.8045500664.

The spelling of 26678513 in words is "twenty-six million, six hundred seventy-eight thousand, five hundred thirteen".