26250012 has 36 divisors (see below), whose sum is σ = 66522456. Its totient is φ = 8727840.

The previous prime is 26249987. The next prime is 26250031. The reversal of 26250012 is 21005262.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19918 + ... + 21194.

It is an arithmetic number, because the mean of its divisors is an integer number (1847846).

Almost surely, 2^26250012 is an apocalyptic number.

It is an amenable number.

26250012 is an abundant number, since it is smaller than the sum of its proper divisors (40272444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26250012 is a wasteful number, since it uses less digits than its factorization.

26250012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 26250012 is about 5123.4765540598. The cubic root of 26250012 is about 297.1961429252.

Adding to 26250012 its reverse (21005262), we get a palindrome (47255274).

The spelling of 26250012 in words is "twenty-six million, two hundred fifty thousand, twelve".