13220074 has 32 divisors (see below), whose sum is σ = 23740416. Its totient is φ = 5402160.

The previous prime is 13220069. The next prime is 13220083. The reversal of 13220074 is 47002231.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35839 + ... + 36205.

It is an arithmetic number, because the mean of its divisors is an integer number (741888).

Almost surely, 2^13220074 is an apocalyptic number.

13220074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13220074 is a deficient number, since it is larger than the sum of its proper divisors (10520342).

13220074 is a wasteful number, since it uses less digits than its factorization.

13220074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13220074 is about 3635.9419687338. The cubic root of 13220074 is about 236.4528912244.

The spelling of 13220074 in words is "thirteen million, two hundred twenty thousand, seventy-four".