1396503 has 6 divisors (see below), whose sum is σ = 2017184. Its totient is φ = 930996.

The previous prime is 1396487. The next prime is 1396513. The reversal of 1396503 is 3056931.

1396503 is a `hidden beast` number, since 1 + 3 + 9 + 650 + 3 = 666.

It is not a de Polignac number, because 1396503 - 2⁴ = 1396487 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 (1396513) 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, 77575 + ... + 77592.

2^1396503 is an apocalyptic number.

1396503 is a deficient number, since it is larger than the sum of its proper divisors (620681).

1396503 is a wasteful number, since it uses less digits than its factorization.

1396503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155173 (or 155170 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1396503 is about 1181.7372804477. The cubic root of 1396503 is about 111.7756723746.

The spelling of 1396503 in words is "one million, three hundred ninety-six thousand, five hundred three".