1381199 has 8 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 1286656.

The previous prime is 1381187. The next prime is 1381207. The reversal of 1381199 is 9911831.

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 1381199 - 2²⁰ = 332623 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 (1381109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

2^1381199 is an apocalyptic number.

1381199 is a deficient number, since it is larger than the sum of its proper divisors (96241).

1381199 is a wasteful number, since it uses less digits than its factorization.

1381199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its digits is 1944, while the sum is 32.

The square root of 1381199 is about 1175.2442299369. The cubic root of 1381199 is about 111.3658625431.

The spelling of 1381199 in words is "one million, three hundred eighty-one thousand, one hundred ninety-nine".