13345290 has 128 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 2908224.

The previous prime is 13345253. The next prime is 13345301. The reversal of 13345290 is 9254331.

13345290 = T₃₂₄ + T₃₂₅ + ... + T₄₈₄.

13345290 is a `hidden beast` number, since 133 + 4 + 529 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43317 + ... + 43623.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^13345290 is an apocalyptic number.

13345290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13345290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21288960).

13345290 is an abundant number, since it is smaller than the sum of its proper divisors (29232630).

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

13345290 is a wasteful number, since it uses less digits than its factorization.

13345290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13345290 is about 3653.1205838297. The cubic root of 13345290 is about 237.1970801017.

The spelling of 13345290 in words is "thirteen million, three hundred forty-five thousand, two hundred ninety".