13020434 has 32 divisors (see below), whose sum is σ = 24268800. Its totient is φ = 5112720.

The previous prime is 13020431. The next prime is 13020439. The reversal of 13020434 is 43402031.

It is not an unprimeable number, because it can be changed into a prime (13020431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7457 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (758400).

Almost surely, 2^13020434 is an apocalyptic number.

13020434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13020434 is a deficient number, since it is larger than the sum of its proper divisors (11248366).

13020434 is a wasteful number, since it uses less digits than its factorization.

13020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13020434 is about 3608.3838487611. The cubic root of 13020434 is about 235.2566021585.

Adding to 13020434 its reverse (43402031), we get a palindrome (56422465).

The spelling of 13020434 in words is "thirteen million, twenty thousand, four hundred thirty-four".