2126697 has 4 divisors (see below), whose sum is σ = 2835600. Its totient is φ = 1417796.

The previous prime is 2126687. The next prime is 2126749. The reversal of 2126697 is 7966212.

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 2126697 - 2⁴ = 2126681 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2126617) 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, 354447 + ... + 354452.

It is an arithmetic number, because the mean of its divisors is an integer number (708900).

2^2126697 is an apocalyptic number.

It is an amenable number.

2126697 is a deficient number, since it is larger than the sum of its proper divisors (708903).

2126697 is an equidigital number, since it uses as much as digits as its factorization.

2126697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708902.

The product of its digits is 9072, while the sum is 33.

The square root of 2126697 is about 1458.3199237479. The cubic root of 2126697 is about 128.5982936807.

The spelling of 2126697 in words is "two million, one hundred twenty-six thousand, six hundred ninety-seven".