1245413 has 4 divisors (see below), whose sum is σ = 1341228. Its totient is φ = 1149600.

The previous prime is 1245401. The next prime is 1245421. The reversal of 1245413 is 3145421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3145421 = 1583 ⋅1987.

It can be written as a sum of positive squares in 2 ways, for example, as 543169 + 702244 = 737^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245413 - 2⁴ = 1245397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245113) 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, 47888 + ... + 47913.

It is an arithmetic number, because the mean of its divisors is an integer number (335307).

2^1245413 is an apocalyptic number.

1245413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1245413 is a deficient number, since it is larger than the sum of its proper divisors (95815).

1245413 is an equidigital number, since it uses as much as digits as its factorization.

1245413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95814.

The product of its digits is 480, while the sum is 20.

The square root of 1245413 is about 1115.9807346007. The cubic root of 1245413 is about 107.5898077713.

The spelling of 1245413 in words is "one million, two hundred forty-five thousand, four hundred thirteen".