1312425 has 36 divisors (see below), whose sum is σ = 2482480. Its totient is φ = 660960.

The previous prime is 1312411. The next prime is 1312459. The reversal of 1312425 is 5242131.

It is not a de Polignac number, because 1312425 - 2⁵ = 1312393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312398 and 1312407.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4122 + ... + 4428.

2^1312425 is an apocalyptic number.

1312425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1312425 is a deficient number, since it is larger than the sum of its proper divisors (1170055).

1312425 is a wasteful number, since it uses less digits than its factorization.

1312425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 334 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1312425 is about 1145.6111905878. The cubic root of 1312425 is about 109.4858929722.

Adding to 1312425 its reverse (5242131), we get a palindrome (6554556).

It can be divided in two parts, 131 and 2425, that added together give a triangular number (2556 = T₇₁).

The spelling of 1312425 in words is "one million, three hundred twelve thousand, four hundred twenty-five".