1399077 has 6 divisors (see below), whose sum is σ = 2020902. Its totient is φ = 932712.

The previous prime is 1399063. The next prime is 1399109. The reversal of 1399077 is 7709931.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 370881 = 1014^2 + 609^2 .

It is not a de Polignac number, because 1399077 - 2¹⁰ = 1398053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77718 + ... + 77735.

It is an arithmetic number, because the mean of its divisors is an integer number (336817).

2^1399077 is an apocalyptic number.

It is an amenable number.

1399077 is a deficient number, since it is larger than the sum of its proper divisors (621825).

1399077 is a wasteful number, since it uses less digits than its factorization.

1399077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155459 (or 155456 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 1399077 is about 1182.8258536234. The cubic root of 1399077 is about 111.8443042821.

It can be divided in two parts, 139 and 9077, that added together give a square (9216 = 96²).

The spelling of 1399077 in words is "one million, three hundred ninety-nine thousand, seventy-seven".