1331356 has 12 divisors (see below), whose sum is σ = 2509192. Its totient is φ = 614448.

The previous prime is 1331347. The next prime is 1331377. The reversal of 1331356 is 6531331.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12750 + ... + 12853.

2^1331356 is an apocalyptic number.

It is an amenable number.

1331356 is a deficient number, since it is larger than the sum of its proper divisors (1177836).

1331356 is a wasteful number, since it uses less digits than its factorization.

1331356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25620 (or 25618 counting only the distinct ones).

The product of its digits is 810, while the sum is 22.

The square root of 1331356 is about 1153.8440102544. The cubic root of 1331356 is about 110.0098062883.

Adding to 1331356 its reverse (6531331), we get a palindrome (7862687).

The spelling of 1331356 in words is "one million, three hundred thirty-one thousand, three hundred fifty-six".