26123013 has 32 divisors (see below), whose sum is σ = 44755200. Its totient is φ = 14750208.

The previous prime is 26123003. The next prime is 26123029. The reversal of 26123013 is 31032162.

It is not a de Polignac number, because 26123013 - 2⁶ = 26122949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26123003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16045 + ... + 17597.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 2^26123013 is an apocalyptic number.

It is an amenable number.

26123013 is a deficient number, since it is larger than the sum of its proper divisors (18632187).

26123013 is a wasteful number, since it uses less digits than its factorization.

26123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 26123013 is about 5111.0676966755. The cubic root of 26123013 is about 296.7160841523.

Adding to 26123013 its reverse (31032162), we get a palindrome (57155175).

It can be divided in two parts, 2612 and 3013, that added together give a square (5625 = 75²).

The spelling of 26123013 in words is "twenty-six million, one hundred twenty-three thousand, thirteen".