13750290 has 64 divisors (see below), whose sum is σ = 37048320. Its totient is φ = 3628800.

The previous prime is 13750283. The next prime is 13750301. The reversal of 13750290 is 9205731.

13750290 is a `hidden beast` number, since 1 + 375 + 0 + 290 = 666.

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

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, 34090 + ... + 34490.

It is an arithmetic number, because the mean of its divisors is an integer number (578880).

Almost surely, 2^13750290 is an apocalyptic number.

13750290 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 13750290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18524160).

13750290 is an abundant number, since it is smaller than the sum of its proper divisors (23298030).

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

13750290 is a wasteful number, since it uses less digits than its factorization.

13750290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 13750290 is about 3708.1383469337. The cubic root of 13750290 is about 239.5726770980.

The spelling of 13750290 in words is "thirteen million, seven hundred fifty thousand, two hundred ninety".