1376887 has 8 divisors (see below), whose sum is σ = 1424304. Its totient is φ = 1330368.

The previous prime is 1376839. The next prime is 1376897. The reversal of 1376887 is 7886731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1376887 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 (1376827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4243 + ... + 4555.

It is an arithmetic number, because the mean of its divisors is an integer number (178038).

2^1376887 is an apocalyptic number.

1376887 is a deficient number, since it is larger than the sum of its proper divisors (47417).

1376887 is an equidigital number, since it uses as much as digits as its factorization.

1376887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 56448, while the sum is 40.

The square root of 1376887 is about 1173.4082835910. The cubic root of 1376887 is about 111.2498497662.

The spelling of 1376887 in words is "one million, three hundred seventy-six thousand, eight hundred eighty-seven".