13420574 has 8 divisors (see below), whose sum is σ = 21190440. Its totient is φ = 6357096.

The previous prime is 13420573. The next prime is 13420597. The reversal of 13420574 is 47502431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13420574² = 360223612978952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420573) 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 3 ways as a sum of consecutive naturals, for example, 176549 + ... + 176624.

It is an arithmetic number, because the mean of its divisors is an integer number (2648805).

Almost surely, 2^13420574 is an apocalyptic number.

13420574 is a deficient number, since it is larger than the sum of its proper divisors (7769866).

13420574 is a wasteful number, since it uses less digits than its factorization.

13420574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353194.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 13420574 is about 3663.4101599466. The cubic root of 13420574 is about 237.6422726503.

The spelling of 13420574 in words is "thirteen million, four hundred twenty thousand, five hundred seventy-four".