13022040 has 32 divisors (see below), whose sum is σ = 39066480. Its totient is φ = 3472512.

The previous prime is 13022033. The next prime is 13022041. The reversal of 13022040 is 4022031.

13022040 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022041) 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, 54139 + ... + 54378.

Almost surely, 2^13022040 is an apocalyptic number.

13022040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13022040 is an abundant number, since it is smaller than the sum of its proper divisors (26044440).

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

13022040 is a wasteful number, since it uses less digits than its factorization.

13022040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108531 (or 108527 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 13022040 is about 3608.6063791996. The cubic root of 13022040 is about 235.2662743033.

Adding to 13022040 its reverse (4022031), we get a palindrome (17044071).

Subtracting from 13022040 its reverse (4022031), we obtain a palindrome (9000009).

The spelling of 13022040 in words is "thirteen million, twenty-two thousand, forty".