13073994 has 32 divisors (see below), whose sum is σ = 29413440. Its totient is φ = 4304016.

The previous prime is 13073989. The next prime is 13073999. The reversal of 13073994 is 49937031.

It is an interprime number because it is at equal distance from previous prime (13073989) and next prime (13073999).

It is a super-2 number, since 2×13073994² = 341858638224072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13073999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3024 + ... + 5940.

It is an arithmetic number, because the mean of its divisors is an integer number (919170).

Almost surely, 2^13073994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13073994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14706720).

13073994 is an abundant number, since it is smaller than the sum of its proper divisors (16339446).

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

13073994 is a wasteful number, since it uses less digits than its factorization.

13073994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 13073994 is about 3615.7978372691. The cubic root of 13073994 is about 235.5787395433.

The spelling of 13073994 in words is "thirteen million, seventy-three thousand, nine hundred ninety-four".