13023630 has 48 divisors (see below), whose sum is σ = 34785504. Its totient is φ = 3378240.

The previous prime is 13023623. The next prime is 13023641. The reversal of 13023630 is 3632031.

It is a happy number.

13023630 is a `hidden beast` number, since 1 + 30 + 2 + 3 + 630 = 666.

It is a super-2 number, since 2×13023630² = 339229876753800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (724698).

Almost surely, 2^13023630 is an apocalyptic number.

13023630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17392752).

13023630 is an abundant number, since it is smaller than the sum of its proper divisors (21761874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13023630 is a wasteful number, since it uses less digits than its factorization.

13023630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13023630 is about 3608.8266791299. The cubic root of 13023630 is about 235.2758493047.

Adding to 13023630 its reverse (3632031), we get a palindrome (16655661).

The spelling of 13023630 in words is "thirteen million, twenty-three thousand, six hundred thirty".