26328137 has 4 divisors (see below), whose sum is σ = 28721616. Its totient is φ = 23934660.

The previous prime is 26328103. The next prime is 26328157. The reversal of 26328137 is 73182362.

It is a happy number.

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 26328137 - 2⁸ = 26327881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26328157) 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, 1196723 + ... + 1196744.

It is an arithmetic number, because the mean of its divisors is an integer number (7180404).

Almost surely, 2^26328137 is an apocalyptic number.

It is an amenable number.

26328137 is a deficient number, since it is larger than the sum of its proper divisors (2393479).

26328137 is a wasteful number, since it uses less digits than its factorization.

26328137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393478.

The product of its digits is 12096, while the sum is 32.

The square root of 26328137 is about 5131.0951072846. The cubic root of 26328137 is about 297.4906882192.

The spelling of 26328137 in words is "twenty-six million, three hundred twenty-eight thousand, one hundred thirty-seven".