1399095 has 12 divisors (see below), whose sum is σ = 2425176. Its totient is φ = 746160.

The previous prime is 1399063. The next prime is 1399109. The reversal of 1399095 is 5909931.

It is not a de Polignac number, because 1399095 - 2⁵ = 1399063 is a prime.

1399095 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15501 + ... + 15590.

It is an arithmetic number, because the mean of its divisors is an integer number (202098).

2^1399095 is an apocalyptic number.

1399095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1399095 is a deficient number, since it is larger than the sum of its proper divisors (1026081).

1399095 is a wasteful number, since it uses less digits than its factorization.

1399095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31102 (or 31099 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 1399095 is about 1182.8334624959. The cubic root of 1399095 is about 111.8447839290.

The spelling of 1399095 in words is "one million, three hundred ninety-nine thousand, ninety-five".