1097913 has 8 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 729488.

The previous prime is 1097909. The next prime is 1097923. The reversal of 1097913 is 3197901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1097913 - 2² = 1097909 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1097903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168 + ... + 1886.

It is an arithmetic number, because the mean of its divisors is an integer number (183600).

2^1097913 is an apocalyptic number.

It is an amenable number.

1097913 is a deficient number, since it is larger than the sum of its proper divisors (370887).

1097913 is an equidigital number, since it uses as much as digits as its factorization.

1097913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1097913 is about 1047.8134375928. The cubic root of 1097913 is about 103.1626863179.

The spelling of 1097913 in words is "one million, ninety-seven thousand, nine hundred thirteen".