13349420 has 96 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 4193280.

The previous prime is 13349411. The next prime is 13349443. The reversal of 13349420 is 2494331.

13349420 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

13349420 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 13349420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168941 + ... + 169019.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^13349420 is an apocalyptic number.

13349420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13349420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

13349420 is an abundant number, since it is smaller than the sum of its proper divisors (21487060).

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

13349420 is a wasteful number, since it uses less digits than its factorization.

13349420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13349420 is about 3653.6858102470. The cubic root of 13349420 is about 237.2215462343.

The spelling of 13349420 in words is "thirteen million, three hundred forty-nine thousand, four hundred twenty".