11297000 has 128 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 3744000.

The previous prime is 11296991. The next prime is 11297009. The reversal of 11297000 is 79211.

It is an interprime number because it is at equal distance from previous prime (11296991) and next prime (11297009).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142961 + ... + 143039.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^11297000 is an apocalyptic number.

11297000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11297000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

11297000 is an abundant number, since it is smaller than the sum of its proper divisors (20152600).

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

11297000 is a wasteful number, since it uses less digits than its factorization.

11297000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 11297000 is about 3361.1010100858. The cubic root of 11297000 is about 224.3818423438.

The spelling of 11297000 in words is "eleven million, two hundred ninety-seven thousand".