26684013 has 8 divisors (see below), whose sum is σ = 35615008. Its totient is φ = 17771184.

The previous prime is 26684011. The next prime is 26684017. The reversal of 26684013 is 31048662.

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

It is not a de Polignac number, because 26684013 - 2¹ = 26684011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26684011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631 + ... + 7332.

It is an arithmetic number, because the mean of its divisors is an integer number (4451876).

Almost surely, 2^26684013 is an apocalyptic number.

It is an amenable number.

26684013 is a deficient number, since it is larger than the sum of its proper divisors (8930995).

26684013 is a wasteful number, since it uses less digits than its factorization.

26684013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 26684013 is about 5165.6570734032. The cubic root of 26684013 is about 298.8250823465.

The spelling of 26684013 in words is "twenty-six million, six hundred eighty-four thousand, thirteen".