1113397 has 4 divisors (see below), whose sum is σ = 1151820. Its totient is φ = 1074976.

The previous prime is 1113379. The next prime is 1113401. The reversal of 1113397 is 7933111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7933111 = 61 ⋅130051.

It can be written as a sum of positive squares in 2 ways, for example, as 463761 + 649636 = 681^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113397 - 2¹⁹ = 589109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113317) 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, 19168 + ... + 19225.

It is an arithmetic number, because the mean of its divisors is an integer number (287955).

2^1113397 is an apocalyptic number.

It is an amenable number.

1113397 is a deficient number, since it is larger than the sum of its proper divisors (38423).

1113397 is an equidigital number, since it uses as much as digits as its factorization.

1113397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38422.

The product of its digits is 567, while the sum is 25.

The square root of 1113397 is about 1055.1762885888. The cubic root of 1113397 is about 103.6453960948.

The spelling of 1113397 in words is "one million, one hundred thirteen thousand, three hundred ninety-seven".