1346407 has 4 divisors (see below), whose sum is σ = 1349136. Its totient is φ = 1343680.

The previous prime is 1346377. The next prime is 1346419. The reversal of 1346407 is 7046431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7046431 = 7 ⋅1006633.

It is a cyclic number.

It is not a de Polignac number, because 1346407 - 2¹¹ = 1344359 is a prime.

It is a Duffinian number.

1346407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346437) 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, 394 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (337284).

2^1346407 is an apocalyptic number.

1346407 is a deficient number, since it is larger than the sum of its proper divisors (2729).

1346407 is an equidigital number, since it uses as much as digits as its factorization.

1346407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1346407 is about 1160.3477926898. The cubic root of 1346407 is about 110.4228080283.

The spelling of 1346407 in words is "one million, three hundred forty-six thousand, four hundred seven".