1350399 has 8 divisors (see below), whose sum is σ = 1878912. Its totient is φ = 861080.

The previous prime is 1350383. The next prime is 1350403. The reversal of 1350399 is 9930531.

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 1350399 - 2⁴ = 1350383 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350319) 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, 9717 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (234864).

2^1350399 is an apocalyptic number.

1350399 is a deficient number, since it is larger than the sum of its proper divisors (528513).

1350399 is a wasteful number, since it uses less digits than its factorization.

1350399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19597.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 1350399 is about 1162.0666934389. The cubic root of 1350399 is about 110.5318322464.

The spelling of 1350399 in words is "one million, three hundred fifty thousand, three hundred ninety-nine".