13020734 has 4 divisors (see below), whose sum is σ = 19531104. Its totient is φ = 6510366.

The previous prime is 13020731. The next prime is 13020751. The reversal of 13020734 is 43702031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43702031 = 311 ⋅140521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255182 + ... + 3255185.

It is an arithmetic number, because the mean of its divisors is an integer number (4882776).

Almost surely, 2^13020734 is an apocalyptic number.

13020734 is a deficient number, since it is larger than the sum of its proper divisors (6510370).

13020734 is an equidigital number, since it uses as much as digits as its factorization.

13020734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510369.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13020734 is about 3608.4254183785. The cubic root of 13020734 is about 235.2584089708.

Adding to 13020734 its reverse (43702031), we get a palindrome (56722765).

The spelling of 13020734 in words is "thirteen million, twenty thousand, seven hundred thirty-four".