1331412 has 12 divisors (see below), whose sum is σ = 3106656. Its totient is φ = 443800.

The previous prime is 1331411. The next prime is 1331431. The reversal of 1331412 is 2141331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1331391 and 1331400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55464 + ... + 55487.

It is an arithmetic number, because the mean of its divisors is an integer number (258888).

2^1331412 is an apocalyptic number.

1331412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331412 is an abundant number, since it is smaller than the sum of its proper divisors (1775244).

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

1331412 is a wasteful number, since it uses less digits than its factorization.

1331412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110958 (or 110956 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 1331412 is about 1153.8682767110. The cubic root of 1331412 is about 110.0113486914.

Adding to 1331412 its reverse (2141331), we get a palindrome (3472743).

The spelling of 1331412 in words is "one million, three hundred thirty-one thousand, four hundred twelve".