13225290 has 32 divisors (see below), whose sum is σ = 34183296. Its totient is φ = 3255360.

The previous prime is 13225279. The next prime is 13225291. The reversal of 13225290 is 9252231.

13225290 = T₁₈₀ + T₁₈₁ + ... + T₄₃₉.

13225290 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13225290.

It is not an unprimeable number, because it can be changed into a prime (13225291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16566 + ... + 17345.

It is an arithmetic number, because the mean of its divisors is an integer number (1068228).

Almost surely, 2^13225290 is an apocalyptic number.

13225290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13225290 is an abundant number, since it is smaller than the sum of its proper divisors (20958006).

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

13225290 is a wasteful number, since it uses less digits than its factorization.

13225290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33934.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13225290 is about 3636.6591811716. The cubic root of 13225290 is about 236.4839847496.

The spelling of 13225290 in words is "thirteen million, two hundred twenty-five thousand, two hundred ninety".