1316629 has 8 divisors (see below), whose sum is σ = 1380960. Its totient is φ = 1253616.

The previous prime is 1316621. The next prime is 1316639. The reversal of 1316629 is 9266131.

1316629 = T₁₃₅ + T₁₃₆ + ... + T₂₁₇.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1316629 - 2³ = 1316621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316597 and 1316606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2134 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (172620).

2^1316629 is an apocalyptic number.

It is an amenable number.

1316629 is a deficient number, since it is larger than the sum of its proper divisors (64331).

1316629 is an equidigital number, since it uses as much as digits as its factorization.

1316629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its digits is 1944, while the sum is 28.

The square root of 1316629 is about 1147.4445520373. Note that the first 3 decimals coincide. The cubic root of 1316629 is about 109.6026712280.

The spelling of 1316629 in words is "one million, three hundred sixteen thousand, six hundred twenty-nine".