1285413 has 4 divisors (see below), whose sum is σ = 1713888. Its totient is φ = 856940.

The previous prime is 1285411. The next prime is 1285429. The reversal of 1285413 is 3145821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1285413 - 2¹ = 1285411 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214233 + ... + 214238.

It is an arithmetic number, because the mean of its divisors is an integer number (428472).

2^1285413 is an apocalyptic number.

It is an amenable number.

1285413 is a deficient number, since it is larger than the sum of its proper divisors (428475).

1285413 is an equidigital number, since it uses as much as digits as its factorization.

1285413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428474.

The product of its digits is 960, while the sum is 24.

The square root of 1285413 is about 1133.7605567314. The cubic root of 1285413 is about 108.7295429878.

The spelling of 1285413 in words is "one million, two hundred eighty-five thousand, four hundred thirteen".