1399277 has 4 divisors (see below), whose sum is σ = 1526496. Its totient is φ = 1272060.

The previous prime is 1399273. The next prime is 1399283. The reversal of 1399277 is 7729931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7729931 = 11 ⋅702721.

It is a cyclic number.

It is not a de Polignac number, because 1399277 - 2² = 1399273 is a prime.

It is a super-2 number, since 2×1399277² = 3915952245458, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1399277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63593 + ... + 63614.

It is an arithmetic number, because the mean of its divisors is an integer number (381624).

2^1399277 is an apocalyptic number.

It is an amenable number.

1399277 is a deficient number, since it is larger than the sum of its proper divisors (127219).

1399277 is a wasteful number, since it uses less digits than its factorization.

1399277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127218.

The product of its digits is 23814, while the sum is 38.

The square root of 1399277 is about 1182.9103939014. The cubic root of 1399277 is about 111.8496334611.

The spelling of 1399277 in words is "one million, three hundred ninety-nine thousand, two hundred seventy-seven".