1307426 has 4 divisors (see below), whose sum is σ = 1961142. Its totient is φ = 653712.

The previous prime is 1307417. The next prime is 1307431. The reversal of 1307426 is 6247031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6247031 = 7 ⋅892433.

It can be written as a sum of positive squares in only one way, i.e., 1100401 + 207025 = 1049^2 + 455^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 326855 + ... + 326858.

2^1307426 is an apocalyptic number.

1307426 is a deficient number, since it is larger than the sum of its proper divisors (653716).

1307426 is an equidigital number, since it uses as much as digits as its factorization.

1307426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653715.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1307426 is about 1143.4273042043. The cubic root of 1307426 is about 109.3467062597.

The spelling of 1307426 in words is "one million, three hundred seven thousand, four hundred twenty-six".