1312434 has 24 divisors (see below), whose sum is σ = 3011580. Its totient is φ = 411648.

The previous prime is 1312411. The next prime is 1312459. The reversal of 1312434 is 4342131.

It can be written as a sum of positive squares in 2 ways, for example, as 1096209 + 216225 = 1047^2 + 465^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1839 + ... + 2450.

2^1312434 is an apocalyptic number.

1312434 is an abundant number, since it is smaller than the sum of its proper divisors (1699146).

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

1312434 is a wasteful number, since it uses less digits than its factorization.

1312434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314 (or 4311 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1312434 is about 1145.6151186153. The cubic root of 1312434 is about 109.4861432394.

Adding to 1312434 its reverse (4342131), we get a palindrome (5654565).

The spelling of 1312434 in words is "one million, three hundred twelve thousand, four hundred thirty-four".