1246403 has 4 divisors (see below), whose sum is σ = 1258608. Its totient is φ = 1234200.

The previous prime is 1246397. The next prime is 1246429. The reversal of 1246403 is 3046421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1246403 - 2⁴ = 1246387 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 (1246433) 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, 5948 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (314652).

2^1246403 is an apocalyptic number.

1246403 is a deficient number, since it is larger than the sum of its proper divisors (12205).

1246403 is a wasteful number, since it uses less digits than its factorization.

1246403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12204.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1246403 is about 1116.4242025324. The cubic root of 1246403 is about 107.6183085442.

The spelling of 1246403 in words is "one million, two hundred forty-six thousand, four hundred three".