1381677 has 16 divisors (see below), whose sum is σ = 2030400. Its totient is φ = 828800.

The previous prime is 1381649. The next prime is 1381693. The reversal of 1381677 is 7761831.

It is a cyclic number.

It is not a de Polignac number, because 1381677 - 2⁶ = 1381613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

1381677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4777 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (126900).

2^1381677 is an apocalyptic number.

It is an amenable number.

1381677 is a deficient number, since it is larger than the sum of its proper divisors (648723).

1381677 is a wasteful number, since it uses less digits than its factorization.

1381677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its digits is 7056, while the sum is 33.

The square root of 1381677 is about 1175.4475743307. The cubic root of 1381677 is about 111.3787080834.

The spelling of 1381677 in words is "one million, three hundred eighty-one thousand, six hundred seventy-seven".