26997129 has 12 divisors (see below), whose sum is σ = 39826176. Its totient is φ = 17614872.

The previous prime is 26997127. The next prime is 26997167. The reversal of 26997129 is 92179962.

It is not a de Polignac number, because 26997129 - 2¹ = 26997127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26997121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31489 + ... + 32334.

It is an arithmetic number, because the mean of its divisors is an integer number (3318848).

Almost surely, 2^26997129 is an apocalyptic number.

It is an amenable number.

26997129 is a deficient number, since it is larger than the sum of its proper divisors (12829047).

26997129 is a wasteful number, since it uses less digits than its factorization.

26997129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63876 (or 63873 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 26997129 is about 5195.8761532585. The cubic root of 26997129 is about 299.9893662898.

The spelling of 26997129 in words is "twenty-six million, nine hundred ninety-seven thousand, one hundred twenty-nine".