1313630 has 8 divisors (see below), whose sum is σ = 2364552. Its totient is φ = 525448.

The previous prime is 1313629. The next prime is 1313633. The reversal of 1313630 is 363131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1313599 and 1313608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313633) 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, 65672 + ... + 65691.

It is an arithmetic number, because the mean of its divisors is an integer number (295569).

2^1313630 is an apocalyptic number.

1313630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313630 is a deficient number, since it is larger than the sum of its proper divisors (1050922).

1313630 is a wasteful number, since it uses less digits than its factorization.

1313630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131370.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1313630 is about 1146.1369900671. The cubic root of 1313630 is about 109.5193907960.

Adding to 1313630 its reverse (363131), we get a palindrome (1676761).

The spelling of 1313630 in words is "one million, three hundred thirteen thousand, six hundred thirty".