1306456407 has 12 divisors (see below), whose sum is σ = 1889567680. Its totient is φ = 869833728.

The previous prime is 1306456367. The next prime is 1306456439. The reversal of 1306456407 is 7046546031.

It is a happy number.

1306456407 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 4 + 5 + 640 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1306456407 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 (1306456807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87463 + ... + 101304.

Almost surely, 2^1306456407 is an apocalyptic number.

1306456407 is a deficient number, since it is larger than the sum of its proper divisors (583111273).

1306456407 is a wasteful number, since it uses less digits than its factorization.

1306456407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189542 (or 189539 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1306456407 is about 36144.9361183555. The cubic root of 1306456407 is about 1093.1966890523.

The spelling of 1306456407 in words is "one billion, three hundred six million, four hundred fifty-six thousand, four hundred seven".