13030640 has 40 divisors (see below), whose sum is σ = 34625760. Its totient is φ = 4467456.

The previous prime is 13030631. The next prime is 13030651. The reversal of 13030640 is 4603031.

13030640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11075 + ... + 12194.

It is an arithmetic number, because the mean of its divisors is an integer number (865644).

Almost surely, 2^13030640 is an apocalyptic number.

13030640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030640 is an abundant number, since it is smaller than the sum of its proper divisors (21595120).

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

13030640 is a wasteful number, since it uses less digits than its factorization.

13030640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289 (or 23283 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13030640 is about 3609.7977782696. The cubic root of 13030640 is about 235.3180543295.

Adding to 13030640 its reverse (4603031), we get a palindrome (17633671).

The spelling of 13030640 in words is "thirteen million, thirty thousand, six hundred forty".