13021274 has 16 divisors (see below), whose sum is σ = 22372416. Its totient is φ = 5568000.

The previous prime is 13021273. The next prime is 13021277. The reversal of 13021274 is 47212031.

It is not an unprimeable number, because it can be changed into a prime (13021273) 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 7 ways as a sum of consecutive naturals, for example, 8249 + ... + 9699.

It is an arithmetic number, because the mean of its divisors is an integer number (1398276).

Almost surely, 2^13021274 is an apocalyptic number.

13021274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13021274 is a deficient number, since it is larger than the sum of its proper divisors (9351142).

13021274 is a wasteful number, since it uses less digits than its factorization.

13021274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13021274 is about 3608.5002424830. The cubic root of 13021274 is about 235.2616611629.

The spelling of 13021274 in words is "thirteen million, twenty-one thousand, two hundred seventy-four".