1379677 has 4 divisors (see below), whose sum is σ = 1485820. Its totient is φ = 1273536.

The previous prime is 1379663. The next prime is 1379681. The reversal of 1379677 is 7769731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7769731 = 17 ⋅457043.

It can be written as a sum of positive squares in 2 ways, for example, as 417316 + 962361 = 646^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379677 - 2⁷ = 1379549 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 (1379657) 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 3 ways as a sum of consecutive naturals, for example, 53052 + ... + 53077.

It is an arithmetic number, because the mean of its divisors is an integer number (371455).

2^1379677 is an apocalyptic number.

It is an amenable number.

1379677 is a deficient number, since it is larger than the sum of its proper divisors (106143).

1379677 is a wasteful number, since it uses less digits than its factorization.

1379677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106142.

The product of its digits is 55566, while the sum is 40.

The square root of 1379677 is about 1174.5965264720. The cubic root of 1379677 is about 111.3249412999.

The spelling of 1379677 in words is "one million, three hundred seventy-nine thousand, six hundred seventy-seven".