1311354 has 48 divisors (see below), whose sum is σ = 3201120. Its totient is φ = 384480.

The previous prime is 1311353. The next prime is 1311367. The reversal of 1311354 is 4531131.

1311354 is a `hidden beast` number, since 1 + 311 + 354 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1311353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7237 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (66690).

2^1311354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600560).

1311354 is an abundant number, since it is smaller than the sum of its proper divisors (1889766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311354 is a wasteful number, since it uses less digits than its factorization.

1311354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 232 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1311354 is about 1145.1436591101. The cubic root of 1311354 is about 109.4561030027.

Adding to 1311354 its reverse (4531131), we get a palindrome (5842485).

It can be divided in two parts, 131 and 1354, that added together give a triangular number (1485 = T₅₄).

The spelling of 1311354 in words is "one million, three hundred eleven thousand, three hundred fifty-four".