13020774 has 24 divisors (see below), whose sum is σ = 28201032. Its totient is φ = 4006080.

The previous prime is 13020773. The next prime is 13020779. The reversal of 13020774 is 47702031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5407 + ... + 7434.

It is an arithmetic number, because the mean of its divisors is an integer number (1175043).

Almost surely, 2^13020774 is an apocalyptic number.

13020774 is an abundant number, since it is smaller than the sum of its proper divisors (15180258).

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

13020774 is a wasteful number, since it uses less digits than its factorization.

13020774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872 (or 12859 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13020774 is about 3608.4309609580. The cubic root of 13020774 is about 235.2586498770.

The spelling of 13020774 in words is "thirteen million, twenty thousand, seven hundred seventy-four".