26248013 has 4 divisors (see below), whose sum is σ = 28634208. Its totient is φ = 23861820.

The previous prime is 26248009. The next prime is 26248031. The reversal of 26248013 is 31084262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26248013 - 2² = 26248009 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 (26248093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193081 + ... + 1193102.

It is an arithmetic number, because the mean of its divisors is an integer number (7158552).

Almost surely, 2^26248013 is an apocalyptic number.

It is an amenable number.

26248013 is a deficient number, since it is larger than the sum of its proper divisors (2386195).

26248013 is a wasteful number, since it uses less digits than its factorization.

26248013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386194.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 26248013 is about 5123.2814679656. The cubic root of 26248013 is about 297.1885986725.

The spelling of 26248013 in words is "twenty-six million, two hundred forty-eight thousand, thirteen".