13073040 has 120 divisors (see below), whose sum is σ = 44723328. Its totient is φ = 3421440.

The previous prime is 13073023. The next prime is 13073057. The reversal of 13073040 is 4037031.

13073040 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 an interprime number because it is at equal distance from previous prime (13073023) and next prime (13073057).

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48105 + ... + 48375.

Almost surely, 2^13073040 is an apocalyptic number.

13073040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13073040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22361664).

13073040 is an abundant number, since it is smaller than the sum of its proper divisors (31650288).

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

13073040 is a wasteful number, since it uses less digits than its factorization.

13073040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 13073040 is about 3615.6659137702. The cubic root of 13073040 is about 235.5730093998.

The spelling of 13073040 in words is "thirteen million, seventy-three thousand, forty".