13030440 has 32 divisors (see below), whose sum is σ = 39091680. Its totient is φ = 3474752.

The previous prime is 13030403. The next prime is 13030453. The reversal of 13030440 is 4403031.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 54174 + ... + 54413.

It is an arithmetic number, because the mean of its divisors is an integer number (1221615).

Almost surely, 2^13030440 is an apocalyptic number.

13030440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030440 is an abundant number, since it is smaller than the sum of its proper divisors (26061240).

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

13030440 is a wasteful number, since it uses less digits than its factorization.

13030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108601 (or 108597 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13030440 is about 3609.7700757805. The cubic root of 13030440 is about 235.3168504017.

Adding to 13030440 its reverse (4403031), we get a palindrome (17433471).

The spelling of 13030440 in words is "thirteen million, thirty thousand, four hundred forty".