26198712 has 24 divisors (see below), whose sum is σ = 70955040. Its totient is φ = 8732880.

The previous prime is 26198699. The next prime is 26198719. The reversal of 26198712 is 21789162.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26198719) 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 5 ways as a sum of consecutive naturals, for example, 181864 + ... + 182007.

It is an arithmetic number, because the mean of its divisors is an integer number (2956460).

Almost surely, 2^26198712 is an apocalyptic number.

It is an amenable number.

26198712 is an abundant number, since it is smaller than the sum of its proper divisors (44756328).

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

26198712 is a wasteful number, since it uses less digits than its factorization.

26198712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363883 (or 363876 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 26198712 is about 5118.4677394705. The cubic root of 26198712 is about 297.0024147000.

The spelling of 26198712 in words is "twenty-six million, one hundred ninety-eight thousand, seven hundred twelve".