1630013 has 8 divisors (see below), whose sum is σ = 2032320. Its totient is φ = 1270080.

The previous prime is 1629997. The next prime is 1630019. The reversal of 1630013 is 3100361.

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

It is not a de Polignac number, because 1630013 - 2⁴ = 1629997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630019) 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, 10508 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (254040).

2^1630013 is an apocalyptic number.

It is an amenable number.

1630013 is a deficient number, since it is larger than the sum of its proper divisors (402307).

1630013 is a wasteful number, since it uses less digits than its factorization.

1630013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21187.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1630013 is about 1276.7196246631. The cubic root of 1630013 is about 117.6875050590.

Adding to 1630013 its reverse (3100361), we get a palindrome (4730374).

The spelling of 1630013 in words is "one million, six hundred thirty thousand, thirteen".