13023380 has 12 divisors (see below), whose sum is σ = 27349140. Its totient is φ = 5209344.

The previous prime is 13023289. The next prime is 13023383. The reversal of 13023380 is 8332031.

It can be written as a sum of positive squares in 2 ways, for example, as 2999824 + 10023556 = 1732^2 + 3166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 651169 = 13023380 / (1 + 3 + 0 + 2 + 3 + 3 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325565 + ... + 325604.

It is an arithmetic number, because the mean of its divisors is an integer number (2279095).

Almost surely, 2^13023380 is an apocalyptic number.

13023380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023380 is an abundant number, since it is smaller than the sum of its proper divisors (14325760).

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

13023380 is a wasteful number, since it uses less digits than its factorization.

13023380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651178 (or 651176 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13023380 is about 3608.7920416671. The cubic root of 13023380 is about 235.2743438530.

The spelling of 13023380 in words is "thirteen million, twenty-three thousand, three hundred eighty".