1113387 has 8 divisors (see below), whose sum is σ = 1619520. Its totient is φ = 674760.

The previous prime is 1113379. The next prime is 1113401. The reversal of 1113387 is 7833111.

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

It is not a de Polignac number, because 1113387 - 2³ = 1113379 is a prime.

It is a super-2 number, since 2×1113387² = 2479261223538, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16837 + ... + 16902.

It is an arithmetic number, because the mean of its divisors is an integer number (202440).

2^1113387 is an apocalyptic number.

1113387 is a deficient number, since it is larger than the sum of its proper divisors (506133).

1113387 is a wasteful number, since it uses less digits than its factorization.

1113387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33753.

The product of its digits is 504, while the sum is 24.

The square root of 1113387 is about 1055.1715500335. The cubic root of 1113387 is about 103.6450857960.

Adding to 1113387 its reverse (7833111), we get a palindrome (8946498).

The spelling of 1113387 in words is "one million, one hundred thirteen thousand, three hundred eighty-seven".