1377963 has 6 divisors (see below), whose sum is σ = 1990404. Its totient is φ = 918636.

The previous prime is 1377931. The next prime is 1377967. The reversal of 1377963 is 3697731.

It is not a de Polignac number, because 1377963 - 2⁵ = 1377931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1377967) 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, 76545 + ... + 76562.

It is an arithmetic number, because the mean of its divisors is an integer number (331734).

2^1377963 is an apocalyptic number.

1377963 is a deficient number, since it is larger than the sum of its proper divisors (612441).

1377963 is a wasteful number, since it uses less digits than its factorization.

1377963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153113 (or 153110 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 1377963 is about 1173.8666874905. The cubic root of 1377963 is about 111.2788218048.

It can be divided in two parts, 137 and 7963, that added together give a square (8100 = 90²).

The spelling of 1377963 in words is "one million, three hundred seventy-seven thousand, nine hundred sixty-three".